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added mod powerUps and balance

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landgreen
2019-10-21 05:20:39 -07:00
parent 5809a68360
commit 6c844fa6da
8 changed files with 274 additions and 401 deletions
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280
js/bullets.js
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@@ -3,6 +3,86 @@ let bullet = [];
const b = {
dmgScale: null, //scales all gun damage from momentum, but not raw .dmg //this is reset in game.reset
gravity: 0.0006, //most other bodies have gravity = 0.001
//variables use for gun mod upgrades
mod: null,
modFireRate: null,
modExplosionRadius: null,
modBulletSize: null,
modEnergySiphon: null,
modHealthDrain: null,
modNoAmmoChance: null,
modBulletsLastLonger: null,
setModDefaults() {
b.modFireRate = 1;
b.modExplosionRadius = 1;
b.modBulletSize = 1;
b.modEnergySiphon = 0;
b.modHealthDrain = 0;
b.modNoAmmoChance = 0;
b.modBulletsLastLonger = 1;
},
mods: [
() => {
b.mod = 0;
game.makeTextLog("<strong style='font-size:30px;'>Auto-Loading Heuristics</strong><br> (left click)<p>your <strong>rate of fire</strong> 20% is faster</p>", 1200);
b.setModDefaults(); //good for guns with extra ammo: needles, M80, rapid fire, flak, super balls
b.modFireRate = 0.8
},
() => {
b.mod = 1;
game.makeTextLog("<strong style='font-size:30px;'>Anti-Matter Cores</strong><br> (left click)<p>your <strong>explosions</strong> are 25% larger and do more damage</p>", 1200);
b.setModDefaults(); //at 1.4 gives a flat 40% increase, and increased range, balanced by limited guns and self damage
//testing at 1.3: grenade(+0.3), missiles, flak, M80
b.modExplosionRadius = 1.25; //good for guns with explosions:
},
() => {
b.mod = 2;
game.makeTextLog("<strong style='font-size:30px;'>High Caliber Bullets</strong><br> (left click)<p>your bullets are 8% <strong>larger</strong> and do more physical damage</p>", 1200);
b.setModDefaults(); //good for guns that do mostly projectile damage:
//testing done at 1.15: one shot(+0.38), rapid fire(+0.25), spray, wave beam(+0.4 adds range and dmg), needles(+0.1)
//testing at 1.08: spray(point blank)(+0.25), one shot(+0.16), wave beam(point blank)(+0.14)
b.modBulletSize = 1.08;
},
() => {
b.mod = 3;
game.makeTextLog("<strong style='font-size:30px;'>Energy Siphon</strong><br> (left click)<p>regenerate <strong>energy</strong> proportional to your damage done</p>", 1200);
b.setModDefaults(); //good with laser, Nano-Scale Manufacturing, Standing Wave Harmonics, Phase Decoherence Field
b.modEnergySiphon = 0.3;
},
() => {
b.mod = 4;
game.makeTextLog("<strong style='font-size:30px;'>Entropy Transfer</strong><br> (left click)<p><strong>heal</strong> proportional to your damage done</p>", 1200);
b.setModDefaults(); //good with guns that overkill: one shot, grenade
b.modHealthDrain = 0.015;
},
() => {
b.mod = 5;
game.makeTextLog("<strong style='font-size:30px;'>Desublimated Ammunition</strong><br> (left click)<p>25% chance you will not consume <strong>ammo</strong> when firing</p>", 1200);
b.setModDefaults(); //good with guns that have less ammo: one shot, grenades, missiles, super balls, spray
b.modNoAmmoChance = 0.25
},
() => {
b.mod = 6;
game.makeTextLog("<strong style='font-size:30px;'>Anti-Decay Coating</strong><br> (left click)<p>your bullets <strong>last 30% longer</strong></p>", 1200);
b.setModDefaults(); //good with: drones, super balls, spore, missiles, wave beam(range), rapid fire(range), flak(range)
b.modBulletsLastLonger = 1.3
},
// () => {
// b.mod = 7;
// game.makeTextLog("<strong style='font-size:30px;'>Inertia Accumulator</strong><br> (left click)<p>your crouched shots have a higher <strong>velocity</strong><br>Your crouched shots reduce your health</p>", 1200);
// b.setModDefaults(); //good with: one shot, rapid fire, spray, needles, super balls
// },
// () => {
// b.mod = 8;
// game.makeTextLog("<strong style='font-size:30px;'>Two Phase Processing</strong><br> (left click)<p>You can fire your gun while your <strong>field</strong> is active</p>", 1200);
// b.setModDefaults(); //good with: default field, Time Dilation Field, Negative Mass Field, Phase Decoherence Field
// },
// () => {
// b.mod = 9;
// game.makeTextLog("<strong style='font-size:30px;'>Relativistic Velocity</strong><br> (left click)<p>Your bullets are effected extra by your own velocity</p>", 1200);
// b.setModDefaults(); //good with: one shot, rapid fire, spray, super balls
// },
],
activeGun: null, //current gun in use by player
inventoryGun: 0,
inventory: [0], //list of what guns player has // 0 starts with basic gun
@@ -22,8 +102,56 @@ const b = {
}
game.makeGunHUD();
},
fire() {
if (game.mouseDown && mech.fireCDcycle < mech.cycle && !(keys[32] || game.mouseDownRight) && b.inventory.length) {
if (b.guns[this.activeGun].ammo > 0) {
b.guns[this.activeGun].fire();
if (!(b.modNoAmmoChance && b.modNoAmmoChance > Math.random())) {
b.guns[this.activeGun].ammo--;
game.updateGunHUD();
}
} else {
mech.fireCDcycle = mech.cycle + 30; //cooldown
// game.makeTextLog("<div style='font-size:140%;'>NO AMMO</div><span class = 'box'>E</span> / <span class = 'box'>Q</span>", 200);
game.makeTextLog("<div style='font-size:140%;'>NO AMMO</div> <p style='font-size:90%;'><strong>Q</strong>, <strong>E</strong>, and <strong>mouse wheel</strong> change weapons</p>", 200);
}
if (mech.isHolding) {
mech.drop();
}
}
},
draw() {
ctx.beginPath();
let i = bullet.length;
while (i--) {
//draw
let vertices = bullet[i].vertices;
ctx.moveTo(vertices[0].x, vertices[0].y);
for (let j = 1; j < vertices.length; j += 1) {
ctx.lineTo(vertices[j].x, vertices[j].y);
}
ctx.lineTo(vertices[0].x, vertices[0].y);
//remove bullet if at end cycle for that bullet
if (bullet[i].endCycle < game.cycle) {
bullet[i].onEnd(i); //some bullets do stuff on end
if (bullet[i]) {
Matter.World.remove(engine.world, bullet[i]);
bullet.splice(i, 1);
} else {
break; //if bullet[i] doesn't exist don't complete the for loop, because the game probably reset
}
}
}
ctx.fillStyle = "#000";
ctx.fill();
//do things
for (let i = 0, len = bullet.length; i < len; i++) {
bullet[i].do();
}
},
fireProps(cd, speed, dir, me) {
mech.fireCDcycle = mech.cycle + cd; // cool down
mech.fireCDcycle = mech.cycle + Math.floor(cd * b.modFireRate); // cool down
Matter.Body.setVelocity(bullet[me], {
x: mech.Vx / 2 + speed * Math.cos(dir),
y: mech.Vy / 2 + speed * Math.sin(dir)
@@ -99,19 +227,19 @@ const b = {
},
explode(me) {
// typically explode is used for some bullets with .onEnd
const radius = bullet[me].explodeRad * b.modExplosionRadius
//add dmg to draw queue
game.drawList.push({
x: bullet[me].position.x,
y: bullet[me].position.y,
radius: bullet[me].explodeRad,
radius: radius,
color: "rgba(255,0,0,0.4)",
time: game.drawTime
});
let dist, sub, knock;
const dmg = b.dmgScale * bullet[me].explodeRad * 0.01;
const dmg = b.dmgScale * radius * 0.01;
const alertRange = 100 + bullet[me].explodeRad * 2; //alert range
const alertRange = 100 + radius * 2; //alert range
//add alert to draw queue
game.drawList.push({
x: bullet[me].position.x,
@@ -124,8 +252,8 @@ const b = {
//player damage and knock back
sub = Matter.Vector.sub(bullet[me].position, player.position);
dist = Matter.Vector.magnitude(sub);
if (dist < bullet[me].explodeRad) {
mech.damage(bullet[me].explodeRad * 0.00035);
if (dist < radius) {
mech.damage(radius * 0.00035);
knock = Matter.Vector.mult(Matter.Vector.normalise(sub), -Math.sqrt(dmg) * player.mass / 30);
player.force.x += knock.x;
player.force.y += knock.y;
@@ -141,7 +269,7 @@ const b = {
for (let i = 0, len = body.length; i < len; ++i) {
sub = Matter.Vector.sub(bullet[me].position, body[i].position);
dist = Matter.Vector.magnitude(sub);
if (dist < bullet[me].explodeRad) {
if (dist < radius) {
knock = Matter.Vector.mult(Matter.Vector.normalise(sub), (-Math.sqrt(dmg) * body[i].mass) / 18);
body[i].force.x += knock.x;
body[i].force.y += knock.y;
@@ -156,7 +284,7 @@ const b = {
for (let i = 0, len = powerUp.length; i < len; ++i) {
sub = Matter.Vector.sub(bullet[me].position, powerUp[i].position);
dist = Matter.Vector.magnitude(sub);
if (dist < bullet[me].explodeRad) {
if (dist < radius) {
knock = Matter.Vector.mult(Matter.Vector.normalise(sub), (-Math.sqrt(dmg) * powerUp[i].mass) / 26);
powerUp[i].force.x += knock.x;
powerUp[i].force.y += knock.y;
@@ -172,7 +300,7 @@ const b = {
// if (me !== i) {
// sub = Matter.Vector.sub(bullet[me].position, bullet[i].position);
// dist = Matter.Vector.magnitude(sub);
// if (dist < bullet[me].explodeRad) {
// if (dist < radius) {
// knock = Matter.Vector.mult(Matter.Vector.normalise(sub), (-Math.sqrt(dmg) * bullet[i].mass) / 10);
// bullet[i].force.x += knock.x;
// bullet[i].force.y += knock.y;
@@ -190,7 +318,7 @@ const b = {
// if (me != i) {
// sub = Matter.Vector.sub(bullet[me].position, bullet[i].position);
// dist = Matter.Vector.magnitude(sub);
// if (dist < bullet[me].explodeRad) {
// if (dist < radius) {
// bullet[i].endCycle = mech.cycle;
// }
// }
@@ -203,7 +331,7 @@ const b = {
// for (let j = 0, len = vertices.length; j < len; j++) {
// sub = Matter.Vector.sub(bullet[me].position, vertices[j]);
// dist = Matter.Vector.magnitude(sub);
// if (dist < bullet[me].explodeRad) {
// if (dist < radius) {
// mob[i].damage(dmg);
// mob[i].locatePlayer();
// knock = Matter.Vector.mult(Matter.Vector.normalise(sub), -Math.sqrt(dmg) * mob[i].mass / 18);
@@ -221,7 +349,7 @@ const b = {
if (mob[i].alive) {
sub = Matter.Vector.sub(bullet[me].position, mob[i].position);
dist = Matter.Vector.magnitude(sub);
if (dist < bullet[me].explodeRad) {
if (dist < radius) {
mob[i].damage(dmg * damageScale);
mob[i].locatePlayer();
knock = Matter.Vector.mult(Matter.Vector.normalise(sub), (-Math.sqrt(dmg * damageScale) * mob[i].mass) / 18);
@@ -532,15 +660,15 @@ const b = {
// mobs.alert(800);
const me = bullet.length;
const dir = mech.angle;
bullet[me] = Bodies.rectangle(mech.pos.x + 50 * Math.cos(mech.angle), mech.pos.y + 50 * Math.sin(mech.angle), 70, 30, b.fireAttributes(dir));
bullet[me] = Bodies.rectangle(mech.pos.x + 50 * Math.cos(mech.angle), mech.pos.y + 50 * Math.sin(mech.angle), 70 * b.modBulletSize, 30 * b.modBulletSize, b.fireAttributes(dir));
b.fireProps(mech.crouch ? 55 : 40, 50, dir, me); //cd , speed
bullet[me].endCycle = game.cycle + 180;
bullet[me].endCycle = game.cycle + Math.floor(180 * b.modBulletsLastLonger);
bullet[me].do = function () {
this.force.y += this.mass * 0.0005;
};
//knock back
const KNOCK = (mech.crouch) ? 0.025 : 0.25
const KNOCK = ((mech.crouch) ? 0.025 : 0.25) * b.modBulletSize * b.modBulletSize
player.force.x -= KNOCK * Math.cos(dir)
player.force.y -= KNOCK * Math.sin(dir) * 0.5 //reduce knock back in vertical direction to stop super jumps
}
@@ -556,9 +684,9 @@ const b = {
b.muzzleFlash(15);
// if (Math.random() > 0.2) mobs.alert(500);
const dir = mech.angle + (Math.random() - 0.5) * ((mech.crouch) ? 0.07 : 0.16);
bullet[me] = Bodies.rectangle(mech.pos.x + 30 * Math.cos(mech.angle), mech.pos.y + 30 * Math.sin(mech.angle), 17, 5, b.fireAttributes(dir));
bullet[me] = Bodies.rectangle(mech.pos.x + 30 * Math.cos(mech.angle), mech.pos.y + 30 * Math.sin(mech.angle), 17 * b.modBulletSize, 5 * b.modBulletSize, b.fireAttributes(dir));
b.fireProps(mech.crouch ? 11 : 5, mech.crouch ? 44 : 36, dir, me); //cd , speed
bullet[me].endCycle = game.cycle + 65;
bullet[me].endCycle = game.cycle + Math.floor(65 * b.modBulletsLastLonger);
bullet[me].frictionAir = 0.01;
bullet[me].do = function () {
this.force.y += this.mass * 0.0005;
@@ -574,12 +702,12 @@ const b = {
fire() {
const me = bullet.length;
const DIR = mech.angle
const SCALE = mech.crouch ? 0.963 : 0.95
const SCALE = (mech.crouch ? 0.963 : 0.95)
const wiggleMag = ((mech.flipLegs === 1) ? 1 : -1) * ((mech.crouch) ? 0.004 : 0.005)
bullet[me] = Bodies.circle(mech.pos.x + 25 * Math.cos(DIR), mech.pos.y + 25 * Math.sin(DIR), 10, {
bullet[me] = Bodies.circle(mech.pos.x + 25 * Math.cos(DIR), mech.pos.y + 25 * Math.sin(DIR), 10 * b.modBulletSize, {
angle: DIR,
cycle: -0.43, //adjust this number until the bullets line up with the cross hairs
endCycle: game.cycle + (mech.crouch ? 155 : 120),
endCycle: game.cycle + Math.floor((mech.crouch ? 155 : 120) * b.modBulletsLastLonger),
inertia: Infinity,
frictionAir: 0,
minDmgSpeed: 0,
@@ -602,7 +730,7 @@ const b = {
}
});
World.add(engine.world, bullet[me]); //add bullet to world
mech.fireCDcycle = mech.cycle + (mech.crouch ? 8 : 4); // cool down
mech.fireCDcycle = mech.cycle + Math.floor((mech.crouch ? 8 : 4) * b.modFireRate); // cool down
const SPEED = mech.crouch ? 5.2 : 4.5;
Matter.Body.setVelocity(bullet[me], {
x: SPEED * Math.cos(DIR),
@@ -631,10 +759,10 @@ const b = {
let dir = mech.angle - SPREAD;
for (let i = 0; i < 3; i++) {
const me = bullet.length;
bullet[me] = Bodies.circle(mech.pos.x + 30 * Math.cos(mech.angle), mech.pos.y + 30 * Math.sin(mech.angle), 7, b.fireAttributes(dir, false));
bullet[me] = Bodies.circle(mech.pos.x + 30 * Math.cos(mech.angle), mech.pos.y + 30 * Math.sin(mech.angle), 7 * b.modBulletSize, b.fireAttributes(dir, false));
b.fireProps(mech.crouch ? 40 : 20, mech.crouch ? 34 : 26, dir, me); //cd , speed
Matter.Body.setDensity(bullet[me], 0.0001);
bullet[me].endCycle = game.cycle + 360;
bullet[me].endCycle = game.cycle + Math.floor(360 * b.modBulletsLastLonger);
bullet[me].dmg = 0.5;
bullet[me].minDmgSpeed = 0;
bullet[me].restitution = 0.96;
@@ -655,12 +783,13 @@ const b = {
fire() {
b.muzzleFlash(35);
// mobs.alert(650);
const side = 11 * b.modBulletSize
for (let i = 0; i < 9; i++) {
const me = bullet.length;
const dir = mech.angle + (Math.random() - 0.5) * (mech.crouch ? 0.2 : 0.6)
bullet[me] = Bodies.rectangle(mech.pos.x + 35 * Math.cos(mech.angle) + 15 * (Math.random() - 0.5), mech.pos.y + 35 * Math.sin(mech.angle) + 15 * (Math.random() - 0.5), 11, 11, b.fireAttributes(dir));
bullet[me] = Bodies.rectangle(mech.pos.x + 35 * Math.cos(mech.angle) + 15 * (Math.random() - 0.5), mech.pos.y + 35 * Math.sin(mech.angle) + 15 * (Math.random() - 0.5), side, side, b.fireAttributes(dir));
b.fireProps(mech.crouch ? 60 : 30, 36 + Math.random() * 11, dir, me); //cd , speed
bullet[me].endCycle = game.cycle + 60;
bullet[me].endCycle = game.cycle + Math.floor(60 * b.modBulletsLastLonger);
bullet[me].frictionAir = 0.02;
bullet[me].do = function () {
this.force.y += this.mass * 0.001;
@@ -668,7 +797,7 @@ const b = {
}
//knock back
const KNOCK = (mech.crouch) ? 0.015 : 0.15
const KNOCK = ((mech.crouch) ? 0.015 : 0.15) * b.modBulletSize * b.modBulletSize
player.force.x -= KNOCK * Math.cos(mech.angle)
player.force.y -= KNOCK * Math.sin(mech.angle) * 0.5 //reduce knock back in vertical direction to stop super jumps
}
@@ -683,12 +812,12 @@ const b = {
const me = bullet.length;
const dir = mech.angle;
if (mech.crouch) {
bullet[me] = Bodies.rectangle(mech.pos.x + 40 * Math.cos(mech.angle), mech.pos.y + 40 * Math.sin(mech.angle), 40, 3, b.fireAttributes(dir));
bullet[me] = Bodies.rectangle(mech.pos.x + 40 * Math.cos(mech.angle), mech.pos.y + 40 * Math.sin(mech.angle), 40 * b.modBulletSize, 3 * b.modBulletSize, b.fireAttributes(dir));
} else {
bullet[me] = Bodies.rectangle(mech.pos.x + 40 * Math.cos(mech.angle), mech.pos.y + 40 * Math.sin(mech.angle), 31, 2, b.fireAttributes(dir));
bullet[me] = Bodies.rectangle(mech.pos.x + 40 * Math.cos(mech.angle), mech.pos.y + 40 * Math.sin(mech.angle), 31 * b.modBulletSize, 2 * b.modBulletSize, b.fireAttributes(dir));
}
b.fireProps(mech.crouch ? 40 : 20, mech.crouch ? 45 : 37, dir, me); //cd , speed
bullet[me].endCycle = game.cycle + 180;
bullet[me].endCycle = game.cycle + Math.floor(180 * b.modBulletsLastLonger);
bullet[me].dmg = mech.crouch ? 1.4 : 1;
b.drawOneBullet(bullet[me].vertices);
bullet[me].do = function () {
@@ -709,13 +838,13 @@ const b = {
const thrust = 0.0003;
let dir = mech.angle + (0.5 - Math.random()) * (mech.crouch ? 0 : 0.2);
const me = bullet.length;
bullet[me] = Bodies.rectangle(mech.pos.x + 40 * Math.cos(mech.angle), mech.pos.y + 40 * Math.sin(mech.angle) - 3, 30, 4, b.fireAttributes(dir));
bullet[me] = Bodies.rectangle(mech.pos.x + 40 * Math.cos(mech.angle), mech.pos.y + 40 * Math.sin(mech.angle) - 3, 30 * b.modBulletSize, 4 * b.modBulletSize, b.fireAttributes(dir));
b.fireProps(mech.crouch ? 70 : 30, -3 * (0.5 - Math.random()) + (mech.crouch ? 25 : -8), dir, me); //cd , speed
b.drawOneBullet(bullet[me].vertices);
// Matter.Body.setDensity(bullet[me], 0.01) //doesn't help with reducing explosion knock backs
bullet[me].force.y += 0.00045; //a small push down at first to make it seem like the missile is briefly falling
bullet[me].frictionAir = 0
bullet[me].endCycle = game.cycle + Math.floor(265 + Math.random() * 20);
bullet[me].endCycle = game.cycle + Math.floor((265 + Math.random() * 20) * b.modBulletsLastLonger);
bullet[me].explodeRad = 150 + 40 * Math.random();
bullet[me].lookFrequency = Math.floor(8 + Math.random() * 7);
bullet[me].onEnd = b.explode; //makes bullet do explosive damage at end
@@ -813,12 +942,14 @@ const b = {
const angleStep = (mech.crouch ? 0.06 : 0.15) / totalBullets
const SPEED = mech.crouch ? 27 : 20
const CD = mech.crouch ? 50 : 20
const END = mech.crouch ? 27 : 18
const END = Math.floor((mech.crouch ? 27 : 18) * b.modBulletsLastLonger);
let dir = mech.angle - angleStep * totalBullets / 2;
const side1 = 17 * b.modBulletSize
const side2 = 4 * b.modBulletSize
for (let i = 0; i < totalBullets; i++) { //5 -> 7
dir += angleStep
const me = bullet.length;
bullet[me] = Bodies.rectangle(mech.pos.x + 50 * Math.cos(mech.angle), mech.pos.y + 50 * Math.sin(mech.angle), 17, 4, b.fireAttributes(dir));
bullet[me] = Bodies.rectangle(mech.pos.x + 50 * Math.cos(mech.angle), mech.pos.y + 50 * Math.sin(mech.angle), side1, side2, b.fireAttributes(dir));
b.fireProps(CD, SPEED + 25 * Math.random() - i, dir, me); //cd , speed
//Matter.Body.setDensity(bullet[me], 0.00001);
bullet[me].endCycle = i + game.cycle + END
@@ -849,12 +980,12 @@ const b = {
fire() {
const me = bullet.length;
const dir = mech.angle; // + Math.random() * 0.05;
bullet[me] = Bodies.circle(mech.pos.x + 30 * Math.cos(mech.angle), mech.pos.y + 30 * Math.sin(mech.angle), 10, b.fireAttributes(dir, false));
bullet[me] = Bodies.circle(mech.pos.x + 30 * Math.cos(mech.angle), mech.pos.y + 30 * Math.sin(mech.angle), 10 * b.modBulletSize, b.fireAttributes(dir, false));
b.fireProps(mech.crouch ? 15 : 8, mech.crouch ? 32 : 24, dir, me); //cd , speed
b.drawOneBullet(bullet[me].vertices);
Matter.Body.setDensity(bullet[me], 0.000001);
bullet[me].totalCycles = 120;
bullet[me].endCycle = game.cycle + bullet[me].totalCycles;
bullet[me].endCycle = game.cycle + Math.floor(120 * b.modBulletsLastLonger);
bullet[me].restitution = 0.6;
bullet[me].explodeRad = 130;
bullet[me].onEnd = b.explode; //makes bullet do explosive damage before despawn
@@ -878,12 +1009,13 @@ const b = {
fire() {
const me = bullet.length;
const dir = mech.angle;
bullet[me] = Bodies.circle(mech.pos.x + 30 * Math.cos(mech.angle), mech.pos.y + 30 * Math.sin(mech.angle), 22, b.fireAttributes(dir, false));
bullet[me] = Bodies.circle(mech.pos.x + 30 * Math.cos(mech.angle), mech.pos.y + 30 * Math.sin(mech.angle), 22 * b.modBulletSize, b.fireAttributes(dir, false));
bullet[me].radius = 22; //used from drawing timer
b.fireProps(mech.crouch ? 60 : 40, mech.crouch ? 38 : 30, dir, me); //cd , speed
b.drawOneBullet(bullet[me].vertices);
Matter.Body.setDensity(bullet[me], 0.000001);
bullet[me].endCycle = game.cycle + 140;
bullet[me].endCycle = game.cycle + Math.floor(140 * b.modBulletsLastLonger);
bullet[me].endCycleLength = Math.floor(140 * b.modBulletsLastLonger);
// bullet[me].restitution = 0.3;
// bullet[me].frictionAir = 0.01;
// bullet[me].friction = 0.15;
@@ -916,7 +1048,7 @@ const b = {
//draw clock on timer
ctx.fillStyle = "#f12";
ctx.beginPath();
ctx.arc(this.position.x, this.position.y, this.radius * (1 - (this.endCycle - game.cycle) / 140), 0, 2 * Math.PI);
ctx.arc(this.position.x, this.position.y, this.radius * (1 - (this.endCycle - game.cycle) / this.endCycleLength), 0, 2 * Math.PI);
ctx.fill();
}
};
@@ -962,7 +1094,7 @@ const b = {
const NUM = 9;
for (let i = 0; i < NUM; i++) {
const bIndex = bullet.length;
const RADIUS = 4 + 2 * Math.random();
const RADIUS = (4 + 2 * Math.random()) * b.modBulletSize;
bullet[bIndex] = Bodies.circle(this.position.x, this.position.y, RADIUS, {
// density: 0.0015, //frictionAir: 0.01,
inertia: Infinity,
@@ -976,7 +1108,7 @@ const b = {
category: 0x000100,
mask: 0x000011 //no collide with body
},
endCycle: game.cycle + 300 + Math.floor(Math.random() * 240),
endCycle: game.cycle + Math.floor((300 + Math.floor(Math.random() * 240)) * b.modBulletsLastLonger),
minDmgSpeed: 0,
onDmg() {
this.endCycle = 0; //bullet ends cycle after doing damage
@@ -1035,7 +1167,7 @@ const b = {
const THRUST = 0.0015
const dir = mech.angle + (Math.random() - 0.5) * 0.7;
const me = bullet.length;
const RADIUS = 4 + 4 * Math.random()
const RADIUS = (4 + 4 * Math.random()) * b.modBulletSize
bullet[me] = Bodies.circle(mech.pos.x + 30 * Math.cos(mech.angle), mech.pos.y + 30 * Math.sin(mech.angle), RADIUS, {
angle: dir,
inertia: Infinity,
@@ -1044,7 +1176,7 @@ const b = {
restitution: 1,
dmg: 0.14, //damage done in addition to the damage from momentum
lookFrequency: 79 + Math.floor(37 * Math.random()),
endCycle: game.cycle + 780 + 360 * Math.random(),
endCycle: game.cycle + Math.floor((780 + 360 * Math.random()) * b.modBulletsLastLonger),
classType: "bullet",
collisionFilter: {
category: 0x000100,
@@ -1090,7 +1222,8 @@ const b = {
if (DIST < closeDist) {
if (DIST < 50) { //eat the power up if close enough
powerUp[i].effect();
powerUp.splice(i, 1)
Matter.World.remove(engine.world, powerUp[i]);
powerUp.splice(i, 1);
break;
}
closeDist = DIST;
@@ -1118,62 +1251,5 @@ const b = {
b.drawOneBullet(bullet[me].vertices);
}
},
],
fire() {
if (game.mouseDown && mech.fireCDcycle < mech.cycle && !(keys[32] || game.mouseDownRight) && b.inventory.length) {
if (b.guns[this.activeGun].ammo > 0) {
b.guns[this.activeGun].fire();
b.guns[this.activeGun].ammo--;
game.updateGunHUD();
} else {
mech.fireCDcycle = mech.cycle + 30; //cooldown
// game.makeTextLog("<div style='font-size:140%;'>NO AMMO</div><span class = 'box'>E</span> / <span class = 'box'>Q</span>", 200);
game.makeTextLog("<div style='font-size:140%;'>NO AMMO</div> <p style='font-size:90%;'><strong>Q</strong>, <strong>E</strong>, and <strong>mouse wheel</strong> change weapons</p>", 200);
}
if (mech.isHolding) {
mech.drop();
}
}
},
gamepadFire() {
if (game.gamepad.rightTrigger && mech.fireCDcycle < mech.cycle && !(keys[32] || game.gamepad.leftTrigger) && !mech.isHolding && b.inventory.length) {
if (b.guns[this.activeGun].ammo > 0) {
b.guns[this.activeGun].fire();
b.guns[this.activeGun].ammo--;
game.updateGunHUD();
} else {
mech.fireCDcycle = mech.cycle + 30; //cooldown
game.makeTextLog("<div style='font-size:140%;'>NO AMMO</div><p style='font-size:90%;'><strong>Q</strong>, <strong>E</strong>, and <strong>mouse wheel</strong> change weapons</p>", 200);
}
}
},
draw() {
ctx.beginPath();
let i = bullet.length;
while (i--) {
//draw
let vertices = bullet[i].vertices;
ctx.moveTo(vertices[0].x, vertices[0].y);
for (let j = 1; j < vertices.length; j += 1) {
ctx.lineTo(vertices[j].x, vertices[j].y);
}
ctx.lineTo(vertices[0].x, vertices[0].y);
//remove bullet if at endcycle for that bullet
if (bullet[i].endCycle < game.cycle) {
bullet[i].onEnd(i); //some bullets do stuff on end
if (bullet[i]) {
Matter.World.remove(engine.world, bullet[i]);
bullet.splice(i, 1);
} else {
break; //if bullet[i] doesn't exist don't complete the for loop, because the game probably reset
}
}
}
ctx.fillStyle = "#000";
ctx.fill();
//do things
for (let i = 0, len = bullet.length; i < len; i++) {
bullet[i].do();
}
}
]
};

1
js/engine.js
View File

@@ -122,6 +122,7 @@ function mobCollisionChecks(event) {
if (obj.classType === "bullet" && obj.speed > obj.minDmgSpeed) {
mob[k].foundPlayer();
const dmg = b.dmgScale * (obj.dmg + 0.15 * obj.mass * Matter.Vector.magnitude(Matter.Vector.sub(mob[k].velocity, obj.velocity)));
// console.log(dmg)
mob[k].damage(dmg);
obj.onDmg(); //some bullets do actions when they hits things, like despawn
game.drawList.push({

233
js/game.js
View File

@@ -1,8 +1,7 @@
// game Object ********************************************************
//*********************************************************************
const game = {
loop() {},
mouseLoop() {
loop() {
game.cycle++; //tracks game cycles
mech.cycle++; //tracks player cycles //used to alow time to stop for everything, but the player
if (game.clearNow) {
@@ -51,164 +50,6 @@ const game = {
}
game.drawCursor();
},
gamepadLoop() {
game.cycle++; //tracks game cycles
mech.cycle++; //tracks player cycles //used to alow time to stop for everything, but the player
// game.polGamepad();
if (game.clearNow) {
game.clearNow = false;
game.clearMap();
level.start();
}
game.gravity();
Engine.update(engine, game.delta);
game.wipe();
game.textLog();
mech.gamepadMove();
level.checkZones();
level.checkQuery();
mech.move();
mech.gamepadLook();
game.fallChecks();
ctx.save();
game.gamepadCamera();
if (game.testing) {
mech.draw();
game.draw.wireFrame();
game.draw.cons();
game.draw.testing();
game.drawCircle();
ctx.restore();
game.getCoords.out();
game.testingOutput();
} else {
level.drawFillBGs();
level.exit.draw();
level.enter.draw();
game.draw.powerUp();
mobs.draw();
game.draw.cons();
game.draw.body();
mech.draw();
mech.hold();
level.drawFills();
game.draw.drawMapPath();
mobs.loop();
b.draw();
b.gamepadFire();
game.drawCircle();
ctx.restore();
}
// game.drawCursor();
},
gamepad: {
connected: false,
cycle: 0,
leftTrigger: false,
rightTrigger: false,
leftAxisThreshold: 0.6,
leftAxis: {
x: 0,
y: 0
},
rightAxis: {
x: 0,
y: 0
},
cycleWeaponCD: 0
},
polGamepad: function () {
const gamepads = navigator.getGamepads ? navigator.getGamepads() : (navigator.webkitGetGamepads ? navigator.webkitGetGamepads : []);
if (!gamepads) return;
gp = gamepads[0];
// console.log(gp)
if (game.onTitlePage) {
if (gp.buttons[6].pressed || gp.buttons[7].pressed) game.startGame(); //triggers start of game
} else {
//left d-pad
if (gp.axes[0] > game.gamepad.leftAxisThreshold) {
game.gamepad.leftAxis.x = 1
} else if (gp.axes[0] < -game.gamepad.leftAxisThreshold) {
game.gamepad.leftAxis.x = -1
} else {
game.gamepad.leftAxis.x = 0
}
if (gp.axes[1] > game.gamepad.leftAxisThreshold) {
game.gamepad.leftAxis.y = -1
} else if (gp.axes[1] < -game.gamepad.leftAxisThreshold) {
game.gamepad.leftAxis.y = 1
} else {
game.gamepad.leftAxis.y = 0
}
//right d-pad
const limit = 0.08
if (Math.abs(gp.axes[2]) > limit) game.gamepad.rightAxis.x = gp.axes[2] * 0.08 + game.gamepad.rightAxis.x * 0.92 //smoothing the input
if (Math.abs(gp.axes[3]) > limit) game.gamepad.rightAxis.y = gp.axes[3] * 0.08 + game.gamepad.rightAxis.y * 0.92 //smoothing the input
// if (Math.abs(gp.axes[0]) > limit) game.gamepad.rightAxis.x = gp.axes[0] * 0.2 + game.gamepad.rightAxis.x * 0.8 //smoothing the input
// if (Math.abs(gp.axes[1]) > limit) game.gamepad.rightAxis.y = gp.axes[1] * 0.2 + game.gamepad.rightAxis.y * 0.8 //smoothing the input
// if (Math.abs(gp.axes[2]) > limit) game.gamepad.rightAxis.x = gp.axes[2]
// if (Math.abs(gp.axes[3]) > limit) game.gamepad.rightAxis.y = gp.axes[3]
// left and right trigger
if (gp.buttons[6].pressed) {
game.gamepad.leftTrigger = true;
game.mouseDownRight = true
} else {
game.gamepad.leftTrigger = false;
game.mouseDownRight = false
}
if (gp.buttons[7].pressed) {
game.gamepad.rightTrigger = true;
game.mouseDown = true
} else {
game.gamepad.rightTrigger = false;
game.mouseDown = false
}
//jump
if (gp.buttons[0].pressed) { //gp.axes[1] < -0.8 ||
game.gamepad.jump = true;
} else {
game.gamepad.jump = false;
}
//buttons that trigger a button CD
if (game.gamepad.cycleWeaponCD < game.gamepad.cycle) {
if (gp.buttons[4].pressed || gp.buttons[12].pressed) {
game.gamepad.cycleWeaponCD = game.gamepad.cycle + 15
game.previousGun();
}
if (gp.buttons[5].pressed || gp.buttons[13].pressed) {
game.gamepad.cycleWeaponCD = game.gamepad.cycle + 15
game.nextGun();
}
if (gp.buttons[9].pressed) {
game.gamepad.cycleWeaponCD = game.gamepad.cycle + 60
if (game.paused) {
game.paused = false;
requestAnimationFrame(cycle);
} else {
game.paused = true;
game.makeTextLog("<h1>PAUSED</h1>", 1);
}
}
// if (gp.buttons[14].pressed) {
// game.zoomScale /= 0.995;
// game.setZoom();
// } else if (gp.buttons[15].pressed) {
// game.zoomScale *= 0.995;
// game.setZoom();
// }
}
}
// // logs button numbers
// for (let i = 0, len = gp.buttons.length; i < len; i++) {
// if (gp.buttons[i].pressed) {
// console.log(i)
// // console.log(game.gamepad)
// }
// }
},
mouse: {
x: canvas.width / 2,
y: canvas.height / 2
@@ -366,50 +207,6 @@ const game = {
// "Crouching while firing makes bullets go faster, but slows the rate of fire.",
// ]
keyPress() {
//runs on key press event
// if (keys[49]) {
// // press 1
// b.inventoryGun = 0;
// game.switchGun();
// } else if (keys[50]) {
// // press 2
// b.inventoryGun = 1;
// game.switchGun();
// } else if (keys[51]) {
// // press 3
// b.inventoryGun = 2;
// game.switchGun();
// } else if (keys[52]) {
// // press 4
// b.inventoryGun = 3;
// game.switchGun();
// } else if (keys[53]) {
// // press 5
// b.inventoryGun = 4;
// game.switchGun();
// } else if (keys[54]) {
// // press 6
// b.inventoryGun = 5;
// game.switchGun();
// } else if (keys[55]) {
// // press 7
// b.inventoryGun = 6;
// game.switchGun();
// } else if (keys[56]) {
// // press 8
// b.inventoryGun = 7;
// game.switchGun();
// } else if (keys[57]) {
// // press 9
// b.inventoryGun = 8;
// game.switchGun();
// } else if (keys[48]) {
// // press 0
// b.inventoryGun = 9;
// game.switchGun();
// }
if (keys[189]) {
// - key
game.zoomScale /= 0.9;
@@ -453,7 +250,10 @@ const game = {
requestAnimationFrame(cycle);
} else {
game.paused = true;
game.makeTextLog("<h1>PAUSED</h1>", 1);
let text = "<h1>PAUSED</h1>"
// if (b.mod !== null) text+=
//output current mod, field, and gun info when paused
game.makeTextLog(text);
}
}
@@ -482,12 +282,18 @@ const game = {
powerUps.spawn(game.mouseInGame.x, game.mouseInGame.y, "gun");
powerUps.spawn(game.mouseInGame.x, game.mouseInGame.y, "gun");
powerUps.spawn(game.mouseInGame.x, game.mouseInGame.y, "gun");
powerUps.spawn(game.mouseInGame.x, game.mouseInGame.y, "gun");
powerUps.spawn(game.mouseInGame.x, game.mouseInGame.y, "field");
powerUps.spawn(game.mouseInGame.x, game.mouseInGame.y, "mod");
powerUps.spawn(game.mouseInGame.x, game.mouseInGame.y, "heal");
powerUps.spawn(game.mouseInGame.x, game.mouseInGame.y, "heal");
}
if (keys[89]) { //cycle fields with F
if (b.mod === b.mods.length - 1) {
b.mods[0]()
} else {
b.mods[b.mod + 1]()
}
}
if (keys[82]) { // teleport to mouse with R
Matter.Body.setPosition(player, this.mouseInGame);
Matter.Body.setVelocity(player, {
@@ -537,14 +343,6 @@ const game = {
game.mouseInGame.x = (game.mouse.x - canvas.width2) / game.zoom + canvas.width2 - mech.transX;
game.mouseInGame.y = (game.mouse.y - canvas.height2) / game.zoom + canvas.height2 - mech.transY;
},
gamepadCamera() {
ctx.translate(canvas.width2, canvas.height2); //center
ctx.scale(game.zoom, game.zoom); //zoom in once centered
ctx.translate(-canvas.width2 + mech.transX, -canvas.height2 + mech.transY); //translate
//calculate in game mouse position by undoing the zoom and translations
game.mouseInGame.x = (game.gamepad.rightAxis.x * canvas.width2) / game.zoom + canvas.width2 - mech.transX;
game.mouseInGame.y = (game.gamepad.rightAxis.y * canvas.height2) / game.zoom + canvas.height2 - mech.transY;
},
zoomInFactor: 0,
startZoomIn(time = 180) {
game.zoom = 0;
@@ -627,10 +425,6 @@ const game = {
},
fpsInterval: 0, //set in startGame
then: null,
startGameWithMouse() {
disconnectGamepad();
game.startGame();
},
startGame() {
game.onTitlePage = false;
document.getElementById("controls").style.display = "none";
@@ -660,6 +454,7 @@ const game = {
document.body.style.cursor = "none";
if (this.firstRun) {
mech.spawn(); //spawns the player
b.setModDefaults(); //doesn't run on reset so that gun mods carry over to new runs
level.levels = shuffle(level.levels); //shuffles order of maps
level.levels.unshift("bosses"); //add bosses level to the end of the randomized levels list
}

79
js/index.js
View File

@@ -6,10 +6,6 @@ field power up effects
field produces a whirlpool effect of force around player
field allows player to hold and throw living mobs
other power up ideas
killing a mob triggers: a spore bullet
maybe you could replace the power method with a new one to get this to work
give mobs more animal-like behaviors
like rainworld
give mobs something to do when they don't see player
@@ -40,30 +36,23 @@ game mechanics
track foot positions with velocity better as the player walks/crouch/runs
add bullet on damage effects
effects could:
add to the array mob.do new mob behaviors
add a damage over time
add a freeze
change mob traits
mass
friction
damage done
change things about the bullet
bounce the bullet again in a new direction
fire several bullets as shrapnel
increase the bullet size to do AOE dmg?? (how)
just run a for loop over all mobs, and do damage to the one that are close
bullets return to player
use a constraint? does bullet just start with a constraint or is it added on damage?
change the player
vampire bullets heal for the damage done
or give the player a shield??
or only heal if the mob dies (might be tricky)
remove standing on player actions
replace with check if player feet are in an area.
gun mod power ups
higher damage when crouched
can fire while field is active
bullet on mob damage effects
add to the array mob.do new mob behaviors
add a damage over time
add a freeze
fire a few smaller bullets
killing a mob triggers: a spore bullet
maybe you could replace the power method with a new one to get this to work
negative mods for balancing
self damage on fire
knock back
lower fire rate
smaller bullets
smaller explosions
shorter lasting bullets
@@ -158,40 +147,6 @@ document.body.addEventListener("wheel", (e) => {
});
// window.addEventListener("gamepadconnected", function (e) {
// console.log("Gamepad connected at index %d: %s. %d buttons, %d axes.",
// e.gamepad.index, e.gamepad.id,
// e.gamepad.buttons.length, e.gamepad.axes.length);
// });
game.loop = game.mouseLoop;
window.addEventListener("gamepadconnected", function (e) {
console.log('gamepad connected')
document.getElementById("gamepad").style.display = "inline";
game.gamepad.connected = true;
polGamepadCycle();
game.loop = game.gamepadLoop;
});
window.addEventListener("gamepaddisconnected", function (e) {
disconnectGamepad()
});
function disconnectGamepad() {
console.log('gamepad disconnected')
document.getElementById("gamepad").style.display = "none";
game.gamepad.connected = false;
game.loop = game.mouseLoop;
}
//this runs to get gamepad data even when paused
function polGamepadCycle() {
game.gamepad.cycle++
if (game.gamepad.connected) requestAnimationFrame(polGamepadCycle);
game.polGamepad()
}
// function playSound(id) {
// //play sound
// if (false) {

2
js/mobs.js
View File

@@ -918,6 +918,8 @@ const mobs = {
//this.fill = this.color + this.health + ')';
if (this.health < 0.1) this.death();
this.onDamage(this); //custom damage effects
if (b.modEnergySiphon) mech.fieldMeter += dmg * b.modEnergySiphon
if (b.modHealthDrain) mech.addHealth(dmg * b.modHealthDrain)
},
onDamage() {
// a placeholder for custom effects on mob damage

21
js/player.js
View File

@@ -412,7 +412,6 @@ const mech = {
addHealth(heal) {
this.health += heal;
if (this.health > 1) this.health = 1;
// document.getElementById("health").setAttribute("width", 225 * this.health);
this.displayHealth();
},
defaultFPSCycle: 0, //tracks when to return to normal fps
@@ -495,7 +494,7 @@ const mech = {
},
setHoldDefaults() {
this.fieldMeter = 1;
this.fieldRegen = 0.0015;
this.fieldRegen = 0.001;
this.fieldCDcycle = 0;
this.isStealth = false;
player.collisionFilter.mask = 0x010011 //0x010011 is normal
@@ -889,7 +888,7 @@ const mech = {
mech.holding();
mech.throw();
} else if ((keys[32] || game.mouseDownRight) && mech.fieldCDcycle < mech.cycle) {
const DRAIN = 0.0015 //mech.fieldRegen = 0.0015
const DRAIN = 0.0015
if (mech.fieldMeter > DRAIN) {
mech.fieldMeter -= DRAIN;
@@ -1010,7 +1009,7 @@ const mech = {
mech.holding();
mech.throw();
} else if ((keys[32] || game.mouseDownRight) && mech.fieldCDcycle < mech.cycle) { //push away
const DRAIN = 0.001 //mech.fieldRegen = 0.0015
const DRAIN = 0.001
if (mech.fieldMeter > DRAIN) {
mech.fieldMeter -= DRAIN;
mech.pushMobs360(170);
@@ -1084,9 +1083,7 @@ const mech = {
game.makeTextLog("<strong style='font-size:30px;'>Standing Wave Harmonics</strong><br> (right mouse or space bar) <p>oscillating shields always surround player<br> <span style='color:#a00;'>decreased</span> field regeneration</p>", 1200);
mech.setHoldDefaults();
// mech.fieldShieldingScale = 0.5;
mech.fieldRegen = 0.0008; //0.0015
// mech.fieldArc = 0.1; //field covers full 360 degrees
// mech.calculateFieldThreshold(); //run after setting fieldArc, used for powerUp grab and mobPush with lookingAt(mob)
mech.fieldRegen *= 0.33;
mech.hold = function () {
if (mech.isHolding) {
@@ -1102,9 +1099,9 @@ const mech = {
mech.holdingTarget = null; //clears holding target (this is so you only pick up right after the field button is released and a hold target exists)
}
if (mech.fieldMeter > 0.1) {
const grabRange1 = 80 + 80 * Math.sin(mech.cycle / 23)
const grabRange2 = 80 + 80 * Math.sin(mech.cycle / 37)
const grabRange3 = 80 + 80 * Math.sin(mech.cycle / 47)
const grabRange1 = 85 + 60 * Math.sin(mech.cycle / 23)
const grabRange2 = 80 + 70 * Math.sin(mech.cycle / 37)
const grabRange3 = 70 + 70 * Math.sin(mech.cycle / 47)
const netGrabRange = Math.max(grabRange1, grabRange2, grabRange3)
ctx.fillStyle = "rgba(110,170,200," + (0.15 + 0.15 * Math.random()) + ")";
ctx.beginPath();
@@ -1165,7 +1162,7 @@ const mech = {
mech.holding();
mech.throw();
} else if ((keys[32] || game.mouseDownRight) && mech.fieldCDcycle < mech.cycle) {
const DRAIN = 0.0035 //mech.fieldRegen = 0.0015
const DRAIN = 0.0035
if (mech.fieldMeter > DRAIN) {
mech.fieldMeter -= DRAIN;
@@ -1214,7 +1211,7 @@ const mech = {
// mech.pushMobs360(140);
// if (mech.health > 0.1) {
// const DRAIN = 0.0008 //mech.fieldRegen = 0.0015
// const DRAIN = 0.0008
// if (mech.fieldMeter > DRAIN) {
// mech.fieldMeter -= DRAIN;
// mech.damage(0.00005 + 0.00000012 * mech.grabRange)

57
js/powerups.js
View File

@@ -32,12 +32,37 @@ const powerUps = {
} else {
mech.fieldUpgrades[this.mode](); //set a predetermined power up
}
if (previousMode !== 0) { //pop the old field out in case player wants to swap back
//pop the old field out in case player wants to swap back
if (previousMode !== 0) {
mech.fieldCDcycle = mech.cycle + 40; //trigger fieldCD to stop power up grab automatic pick up of spawn
powerUps.spawn(mech.pos.x, mech.pos.y - 15, "field", false, previousMode);
}
}
},
mod: {
name: "mod",
color: "#479",
size() {
return 42;
},
effect() {
const previousMode = b.mod
if (this.mode === null) { //this.mode is set if the power up has been ejected from player
mode = b.mod //start with current mob
while (mode === b.mod) {
mode = Math.floor(Math.random() * b.mods.length)
}
b.mods[mode](); //choose random upgrade that you don't already have
} else {
b.mods[this.mode](); //set a predetermined power up
}
if (previousMode != null) { //pop the old field out in case player wants to swap back
mech.fieldCDcycle = mech.cycle + 40; //trigger fieldCD to stop power up grab automatic pick up of spawn
powerUps.spawn(mech.pos.x, mech.pos.y - 15, "mod", false, previousMode);
}
}
},
ammo: {
name: "ammo",
color: "#467",
@@ -68,7 +93,7 @@ const powerUps = {
if (!game.lastLogTime) game.makeTextLog("+energy", 180);
} else {
//ammo given scales as mobs take more hits to kill
const ammo = Math.ceil((target.ammoPack * (0.55 + 0.1 * Math.random())) / b.dmgScale);
const ammo = Math.ceil((target.ammoPack * (0.6 + 0.05 * Math.random())) / b.dmgScale);
target.ammo += ammo;
game.updateGunHUD();
if (!game.lastLogTime) game.makeTextLog("+" + ammo + " ammo: " + target.name, 180);
@@ -127,7 +152,7 @@ const powerUps = {
if (b.inventory.length > 0) powerUps.spawn(x, y, "ammo");
return;
}
if (Math.random() < 0.005 * (6 - b.inventory.length)) { //a new gun has a low chance for each not acquired gun to drop
if (Math.random() < 0.004 * (5 - b.inventory.length)) { //a new gun has a low chance for each not acquired gun to drop
powerUps.spawn(x, y, "gun");
return;
}
@@ -135,6 +160,27 @@ const powerUps = {
powerUps.spawn(x, y, "field");
return;
}
if (Math.random() < 0.005) {
powerUps.spawn(x, y, "mod");
return;
}
},
spawnBossPowerUp(x, y) { //boss spawns field and gun mod upgrades
if (mech.fieldMode === 0) {
powerUps.spawn(x, y, "field")
} else if (b.mod === null) {
powerUps.spawn(x, y, "mod")
} else if (Math.random() < 0.2) {
powerUps.spawn(x, y, "mod")
} else if (Math.random() < 0.2) {
powerUps.spawn(x, y, "field");
} else if (Math.random() < 0.15) {
powerUps.spawn(x, y, "gun")
} else if (mech.health < 0.5) {
powerUps.spawn(x, y, "heal");
} else {
powerUps.spawn(x, y, "ammo");
}
},
chooseRandomPowerUp(x, y) { //100% chance to drop a random power up //used in spawn.debris
if (Math.random() < 0.5) {
@@ -144,7 +190,7 @@ const powerUps = {
}
},
spawnStartingPowerUps(x, y) {
if (b.inventory.length < 3) {
if (b.inventory.length < 2) {
powerUps.spawn(x, y, "gun", false); //starting gun
} else {
powerUps.spawnRandomPowerUp(x, y);
@@ -153,7 +199,7 @@ const powerUps = {
powerUps.spawnRandomPowerUp(x, y);
}
},
spawn(x, y, target, moving = true, mode) {
spawn(x, y, target, moving = true, mode = null) {
let i = powerUp.length;
target = powerUps[target];
size = target.size();
@@ -161,6 +207,7 @@ const powerUps = {
density: 0.001,
frictionAir: 0.01,
restitution: 0.8,
inertia: Infinity, //prevents rotation
collisionFilter: {
group: 0,
category: 0x100000,