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new physics engine version

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This commit is contained in:
landgreen
2019-09-30 19:08:55 -07:00
parent aec697c63d
commit 42908b1ed9
4 changed files with 219 additions and 136 deletions
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175
js/player.js
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@@ -5,7 +5,8 @@ let player, jumpSensor, playerBody, playerHead, headSensor;
const mech = {
spawn() {
//load player in matter.js physic engine
let vector = Vertices.fromPath("0 40 50 40 50 115 0 115 30 130 20 130"); //player as a series of vertices
// let vector = Vertices.fromPath("0 40 50 40 50 115 0 115 30 130 20 130"); //player as a series of vertices
let vector = Vertices.fromPath("0,40, 50,40, 50,115, 30,130, 20,130, 0,115, 0,40"); //player as a series of vertices
playerBody = Matter.Bodies.fromVertices(0, 0, vector);
jumpSensor = Bodies.rectangle(0, 46, 36, 6, {
//this sensor check if the player is on the ground to enable jumping
@@ -484,7 +485,7 @@ const mech = {
throwChargeMax: 0,
fieldFireCD: 0,
fieldDamage: 0,
fieldBlockScale: 0,
fieldShieldingScale: 0,
grabRange: 0,
fieldArc: 0,
fieldThreshold: 0,
@@ -501,7 +502,7 @@ const mech = {
this.throwChargeMax = 50;
this.fieldFireCD = 15;
this.fieldDamage = 0; // a value of 1.0 kills a small mob in 2-3 hits on level 1
this.fieldBlockScale = 1; //scale energy loss after collision with mob
this.fieldShieldingScale = 1; //scale energy loss after collision with mob
this.grabRange = 175;
this.fieldArc = 0.2;
this.calculateFieldThreshold();
@@ -714,7 +715,7 @@ const mech = {
if (this.lookingAt(mob[i]) && Matter.Vector.magnitude(Matter.Vector.sub(mob[i].position, this.pos)) < this.grabRange && Matter.Query.ray(map, mob[i].position, this.pos).length === 0) {
const fieldBlockCost = Math.max(0.02, mob[i].mass * 0.012) //0.012
if (this.fieldMeter > fieldBlockCost) {
this.fieldMeter -= fieldBlockCost * this.fieldBlockScale;
this.fieldMeter -= fieldBlockCost * this.fieldShieldingScale;
if (this.fieldDamage) mob[i].damage(b.dmgScale * this.fieldDamage);
mob[i].locatePlayer();
this.drawHold(mob[i]);
@@ -740,7 +741,7 @@ const mech = {
if (Matter.Vector.magnitude(Matter.Vector.sub(mob[i].position, this.pos)) < range && Matter.Query.ray(map, mob[i].position, this.pos).length === 0) {
const fieldBlockCost = Math.max(0.02, mob[i].mass * 0.012)
if (this.fieldMeter > fieldBlockCost) {
this.fieldMeter -= fieldBlockCost * this.fieldBlockScale;
this.fieldMeter -= fieldBlockCost * this.fieldShieldingScale;
if (this.fieldMeter < 0) this.fieldMeter = 0
if (this.fieldDamage) mob[i].damage(b.dmgScale * this.fieldDamage);
@@ -848,10 +849,10 @@ const mech = {
},
() => {
mech.fieldMode = 1;
game.makeTextLog("<strong style='font-size:30px;'>Time Dilation Field</strong><br> (right mouse or space bar)<p> field slows objects in range<br> <span style='color:#a00;'>decreased</span> field efficiency</p>", 1200);
game.makeTextLog("<strong style='font-size:30px;'>Inertia Negation Field</strong><br> (right mouse or space bar)<p> field slows objects in range<br> <span style='color:#a00;'>decreased</span> field shielding efficiency</p>", 1200);
// <br> field does <span style='color:#a00;'>not</span> shield player
mech.setHoldDefaults();
mech.fieldBlockScale = 7;
mech.fieldShieldingScale = 7;
// mech.fieldArc = 1; //field covers full 360 degrees
// mech.calculateFieldThreshold(); //run after setting fieldArc, used for powerUp grab and mobPush with lookingAt(mob)
@@ -969,10 +970,10 @@ const mech = {
},
() => {
mech.fieldMode = 3;
game.makeTextLog("<strong style='font-size:30px;'>Negative Mass Field</strong><br> (right mouse or space bar)<p> field nullifies gravity<br> player can hold more massive objects<br> <span style='color:#a00;'>decreased</span> field efficiency</p>", 1200);
game.makeTextLog("<strong style='font-size:30px;'>Negative Mass Field</strong><br> (right mouse or space bar)<p> field nullifies gravity<br> player can hold more massive objects<br> <span style='color:#a00;'>decreased</span> field shielding efficiency</p>", 1200);
mech.setHoldDefaults();
mech.holdingMassScale = 0.05; //can hold heavier blocks with lower cost to jumping
mech.fieldBlockScale = 10;
mech.fieldShieldingScale = 10;
// mech.fieldArc = 1; //field covers full 360 degrees
// mech.grabRange = 150;
// mech.fieldArc = 1 //0.08;
@@ -1055,24 +1056,48 @@ const mech = {
},
() => {
mech.fieldMode = 4;
game.makeTextLog("<strong style='font-size:30px;'>Zero-Point Energy Field</strong><br> (right mouse or space bar) <p>improved energy regeneration<br> field emitter shield surrounds player</p>", 1200);
game.makeTextLog("<strong style='font-size:30px;'>Zero-Point Energy Field</strong><br> (right mouse or space bar) <p>improved energy regeneration<br> oscillating shields surround player</p>", 1200);
mech.setHoldDefaults();
// mech.fieldBlockScale = 1;
mech.fieldRegen = 0.01; //0.0015
mech.fieldShieldingScale = 0.7;
mech.fieldRegen = 0.007; //0.0015
mech.fieldArc = 1; //field covers full 360 degrees
mech.calculateFieldThreshold(); //run after setting fieldArc, used for powerUp grab and mobPush with lookingAt(mob)
mech.hold = function () {
mech.grabRange = 190 + 35 * Math.sin(game.cycle / 30)
grabRange1 = 60 + 60 * Math.sin(game.cycle / 23)
grabRange2 = 70 + 70 * Math.sin(game.cycle / 37)
grabRange3 = 80 + 80 * Math.sin(game.cycle / 47)
mech.grabRange = Math.max(grabRange1, grabRange2, grabRange3)
if (mech.isHolding) {
mech.drawHold(mech.holdingTarget);
mech.holding();
mech.throw();
} else if ((keys[32] || game.mouseDownRight && mech.fieldMeter > 0.1)) { //not hold but field button is pressed
mech.drawField();
ctx.fillStyle = "rgba(110,170,200," + (0.15 + 0.15 * Math.random()) + ")";
ctx.beginPath();
ctx.arc(mech.pos.x, mech.pos.y, grabRange1, mech.angle - Math.PI * mech.fieldArc, mech.angle + Math.PI * mech.fieldArc, false);
ctx.fill();
ctx.beginPath();
ctx.arc(mech.pos.x, mech.pos.y, grabRange2, mech.angle - Math.PI * mech.fieldArc, mech.angle + Math.PI * mech.fieldArc, false);
ctx.fill();
ctx.beginPath();
ctx.arc(mech.pos.x, mech.pos.y, grabRange3, mech.angle - Math.PI * mech.fieldArc, mech.angle + Math.PI * mech.fieldArc, false);
ctx.fill();
// //draw random lines in field for cool effect
// let offAngle = this.angle + 2 * Math.PI * this.fieldArc * (Math.random() - 0.5);
// ctx.beginPath();
// eye = 15;
// ctx.moveTo(mech.pos.x + eye * Math.cos(this.angle), mech.pos.y + eye * Math.sin(this.angle));
// ctx.lineTo(this.pos.x + range * Math.cos(offAngle), this.pos.y + range * Math.sin(offAngle));
// ctx.strokeStyle = "rgba(120,170,255,0.4)";
// ctx.stroke();
mech.grabPowerUp();
mech.pushMobs360();
mech.pushMobs360(mech.grabRange + 10);
mech.lookForPickUp();
} else if (mech.holdingTarget && mech.fireCDcycle < game.cycle) { //holding, but field button is released
mech.pickUp();
@@ -1084,9 +1109,9 @@ const mech = {
},
() => {
mech.fieldMode = 5;
game.makeTextLog("<strong style='font-size:30px;'>Nano-Scale Manufacturing</strong><br> (passive effect) <p>excess field energy builds drones<br> shield has <span style='color:#a00;'>decreased</span> efficiency</p>", 1200);
game.makeTextLog("<strong style='font-size:30px;'>Nano-Scale Manufacturing</strong><br> (passive effect) <p>excess field energy builds drones<br> <span style='color:#a00;'>decreased</span> field shielding efficiency</p>", 1200);
mech.setHoldDefaults();
mech.fieldBlockScale = 10;
mech.fieldShieldingScale = 10;
mech.grabRange = 155;
mech.fieldArc = 0.1; //0.2 is normal
mech.calculateFieldThreshold(); //run after setting fieldArc, used for powerUp grab and mobPush with lookingAt(mob)
@@ -1114,10 +1139,10 @@ const mech = {
},
() => {
mech.fieldMode = 6;
game.makeTextLog("<strong style='font-size:30px;'>Metamaterial Refractive Optics</strong><br> (right mouse or space bar) <p>localized invisibility field<br> <span style='color:#a00;'>decreased</span> field efficiency</p>", 1200);
game.makeTextLog("<strong style='font-size:30px;'>Metamaterial Refractive Optics</strong><br> (right mouse or space bar) <p>localized invisibility field<br> greatly <span style='color:#a00;'>decreased</span> field shielding efficiency</p>", 1200);
mech.setHoldDefaults();
mech.fieldBlockScale = 10;
mech.grabRange = 140;
mech.fieldShieldingScale = 10000;
mech.grabRange = 160;
mech.hold = function () {
mech.isStealth = false //isStealth is checked in mob foundPlayer()
@@ -1135,7 +1160,7 @@ const mech = {
//draw stealth field
// ctx.fill();
ctx.beginPath();
ctx.arc(mech.pos.x, mech.pos.y, mech.grabRange - 20, 0, 2 * Math.PI);
ctx.arc(mech.pos.x, mech.pos.y, mech.grabRange, 0, 2 * Math.PI);
ctx.globalCompositeOperation = "destination-in"; //in or atop
ctx.fillStyle = "rgba(255,255,255,0.6)";
ctx.fill();
@@ -1159,9 +1184,9 @@ const mech = {
},
() => {
mech.fieldMode = 7;
game.makeTextLog("<strong style='font-size:30px;'>Thermal Radiation Field</strong><br> (right mouse or space bar) <p>field grows while active<br>damages all targets within range, <span style='color:#a00;'>including player</span><br> <span style='color:#a00;'> decreased</span> field efficiency</p>", 1200);
game.makeTextLog("<strong style='font-size:30px;'>Thermal Radiation Field</strong><br> (right mouse or space bar) <p>field grows while active<br>damages all targets within range, <span style='color:#a00;'>including player</span><br> <span style='color:#a00;'>decreased</span> field shielding efficiency</p>", 1200);
mech.setHoldDefaults();
mech.fieldBlockScale = 5;
mech.fieldShieldingScale = 10;
mech.rangeSmoothing = 0
mech.hold = function () {
if (mech.isHolding) {
@@ -1170,8 +1195,8 @@ const mech = {
mech.throw();
} else if ((keys[32] || game.mouseDownRight && mech.fieldCDcycle < game.cycle)) { //not hold but field button is pressed
mech.grabPowerUp();
mech.lookForPickUp();
mech.pushMobs360(150);
mech.lookForPickUp(Math.max(180, mech.grabRange));
mech.pushMobs360(140);
// //draw grab field
// ctx.beginPath();
// ctx.arc(this.pos.x, this.pos.y, this.grabRange - 20, this.angle - Math.PI * this.fieldArc, this.angle + Math.PI * this.fieldArc, false);
@@ -1185,38 +1210,23 @@ const mech = {
// ctx.fill();
if (mech.health > 0.1) {
const DRAIN = 0.0009 //mech.fieldRegen = 0.0015
const DRAIN = 0.0008 //mech.fieldRegen = 0.0015
if (mech.fieldMeter > DRAIN) {
mech.fieldMeter -= DRAIN;
mech.damage(0.0001)
mech.damage(0.00005 + 0.00000012 * mech.grabRange)
//draw damage field
mech.grabRange = mech.grabRange * 0.997 + (1350 + 150 * Math.cos(game.cycle / 30)) * 0.003
let gradient = ctx.createRadialGradient(this.pos.x, this.pos.y, 0, this.pos.x, this.pos.y, mech.grabRange);
gradient.addColorStop(0, 'rgba(255,255,255,0)');
gradient.addColorStop(1, 'rgba(255,0,50,' + (0.4 + 0.2 * Math.random()) + ')');
gradient.addColorStop(0, 'rgba(255,255,255,0.7)');
gradient.addColorStop(1, 'rgba(255,0,50,' + (0.6 + 0.2 * Math.random()) + ')');
const angleOff = 2 * Math.PI * Math.random()
ctx.beginPath();
const RAND = 10 + 0.1 * mech.grabRange
let x = mech.grabRange * Math.cos(0) + RAND * (Math.random() - 0.5)
let y = mech.grabRange * Math.sin(0) + RAND * (Math.random() - 0.5)
ctx.moveTo(this.pos.x + x, this.pos.y + y)
for (let A = 0.314, end = 2 * Math.PI - 0.314; A < end; A += 0.314) {
x = mech.grabRange * Math.cos(A) + RAND * (Math.random() - 0.5)
y = mech.grabRange * Math.sin(A) + RAND * (Math.random() - 0.5)
ctx.lineTo(this.pos.x + x, this.pos.y + y)
}
ctx.arc(this.pos.x, this.pos.y, mech.grabRange + Math.sqrt(mech.grabRange) * 0.7 * (Math.random() - 0.5), angleOff, 1.8 * Math.PI + angleOff);
ctx.fillStyle = gradient //rgba(255,0,0,0.2)
ctx.fill();
// ctx.beginPath();
// ctx.arc(this.pos.x, this.pos.y, mech.grabRange, 0, 2 * Math.PI);
// ctx.fillStyle = gradient //rgba(255,0,0,0.2)
// ctx.fill();
//damage and gently push mobs in range of field
//damage and push away mobs in range
for (let i = 0, len = mob.length; i < len; ++i) {
if (mob[i].alive) {
sub = Matter.Vector.sub(this.pos, mob[i].position);
@@ -1224,15 +1234,18 @@ const mech = {
if (dist < mech.grabRange) {
mob[i].damage(0.01);
mob[i].locatePlayer();
// mech.fieldMeter -= DRAIN * 0.1; //extra drain for each additional target
// push
mob[i].force = Matter.Vector.mult(Matter.Vector.normalise(sub), -0.0005 * mob[i].mass) //gently push mobs back
mob[i].force = Matter.Vector.mult(Matter.Vector.normalise(sub), -0.0001 * mob[i].mass) //gently push mobs back
}
}
}
} else {
mech.fieldCDcycle = game.cycle + 120;
}
} else {
mech.grabRange = 180;
mech.drawField();
mech.grabPowerUp();
mech.lookForPickUp();
}
} else if (mech.holdingTarget && mech.fireCDcycle < game.cycle && mech.fieldMeter > 0.05) { //holding, but field button is released
mech.grabRange = 0
@@ -1244,6 +1257,68 @@ const mech = {
mech.drawFieldMeter()
}
},
// () => {
// mech.fieldMode = 8;
// game.makeTextLog("<strong style='font-size:30px;'>Time Dilation Field</strong><br> (right click or space bar)<p>slows time while field is active</p>", Infinity);
// mech.setHoldDefaults();
// mech.isTimeDilated = false
// // mech.mobMasses = []
// mech.hold = function () {
// if (!mech.isTimeDilated) {
// engine.timing.timeScale = 1
// // for (let i = 0, len = body.length; i < len; i++) {
// // // Matter.Body.setStatic(body[i], false)
// // // if (!body[i].isNotHoldable) body[i].timeScale = 1
// // }
// // for (let i = 0, len = mob.length; i < len; i++) {
// // // mob[i].timeScale = 1
// // // Matter.Body.setStatic(mob[i], false)
// // }
// }
// if (mech.isHolding) {
// mech.drawHold(mech.holdingTarget);
// mech.holding();
// mech.throw();
// } else if ((keys[32] || game.mouseDownRight && mech.fieldMeter > 0.1)) { //not hold but field button is pressed
// mech.drawField();
// mech.grabPowerUp();
// mech.pushMobs();
// mech.lookForPickUp();
// //set time to slow
// // mech.look(); //still works when fps is slow
// // game.fpsCap = 30
// // game.fpsInterval = 1000 / game.fpsCap;
// // for (let i = 0, len = mob.length; i < len; i++) {
// // Matter.Body.update(mob[i], 1, 1, 0)
// // }
// if (!mech.isTimeDilated) {
// mech.isTimeDilated = true
// engine.timing.timeScale = 0.01
// // for (let i = 0, len = body.length; i < len; i++) {
// // // if (!body[i].isNotHoldable) body[i].timeScale = 0.01
// // // mech.mobMasses.push(body[i].mass)
// // // Matter.Body.setStatic(body[i], true)
// // }
// // for (let i = 0, len = mob.length; i < len; i++) {
// // // Matter.Body.setStatic(mob[i], true)
// // // mob[i].timeScale = 0.01
// // }
// }
// } else if (mech.holdingTarget && mech.fireCDcycle < game.cycle && mech.fieldMeter > 0.05) { //holding, but field button is released
// mech.pickUp();
// mech.isTimeDilated = false
// } else {
// 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)
// mech.isTimeDilated = false
// }
// mech.drawFieldMeter()
// }
// },
],
drawLeg(stroke) {
// if (game.mouseInGame.x > this.pos.x) {