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playing with kinetic field

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landgreen
2019-09-26 19:02:34 -07:00
parent 804cdc2d92
commit cf159f26fd
2 changed files with 26 additions and 12 deletions
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36
js/player.js
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@@ -881,8 +881,8 @@ const mech = {
mech.throwChargeRate = 3; //0.5
mech.throwChargeMax = 150; //50
//passive field does extra damage
mech.grabRange = 180;
mech.fieldArc = 0.08;
// mech.grabRange = 200;
mech.fieldArc = 0.01;
mech.fieldDamage = 2;
mech.hold = function () {
@@ -925,12 +925,12 @@ 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</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> field does <span style='color:#a00;'>not</span> shield player</p>", 1200);
mech.setHoldDefaults();
mech.holdingMassScale = 0.05; //can hold heavier blocks
mech.holdingMassScale = 0.05; //can hold heavier blocks with lower cost to jumping
// mech.fieldArc = 1; //field covers full 360 degrees
mech.grabRange = 160;
mech.fieldArc = 0.1;
mech.grabRange = 155;
mech.fieldArc = 0.08;
mech.calculateFieldThreshold();
mech.hold = function () {
@@ -940,9 +940,22 @@ const mech = {
mech.holding();
mech.throw();
} else if ((keys[32] || game.mouseDownRight) && mech.fieldCDcycle < game.cycle) { //push away
const DRAIN = 0.002 //mech.fieldRegen = 0.0015
const DRAIN = 0.0006 //mech.fieldRegen = 0.0015
if (mech.fieldMeter > DRAIN) {
mech.fieldMeter -= DRAIN;
//draw 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);
let eye = 13;
ctx.lineTo(mech.pos.x + eye * Math.cos(this.angle), mech.pos.y + eye * Math.sin(this.angle));
if (this.holdingTarget) {
ctx.fillStyle = "rgba(150,150,150," + (0.05 + 0.1 * Math.random()) + ")";
} else {
ctx.fillStyle = "rgba(150,150,150," + (0.15 + 0.15 * Math.random()) + ")";
}
ctx.fill();
mech.grabPowerUp();
mech.lookForPickUp();
//look for nearby objects to make zero-g
@@ -964,18 +977,19 @@ const mech = {
//allow player to fly up and down a bit
flyForce = 0.003;
if (keys[83] || keys[40]) {
if (keys[83] || keys[40]) { //down
player.force.y += flyForce
Matter.Body.setVelocity(player, { //friction, only when flying
x: player.velocity.x,
y: player.velocity.y * 0.96
});
} else if (keys[87] || keys[38]) {
} else if (keys[87] || keys[38]) { //up
player.force.y -= flyForce
Matter.Body.setVelocity(player, { //friction, only when flying
x: player.velocity.x,
y: player.velocity.y * 0.96
});
// mech.fieldMeter -= DRAIN; //extra energy used to fly upwards
}
//add extra friction for horizontal motion
@@ -994,8 +1008,8 @@ const mech = {
ctx.fill();
ctx.globalCompositeOperation = "source-over";
mech.drawField();
mech.pushMobs();
// mech.drawField();
// mech.pushMobs();
} else {
//trigger cool down
mech.fieldCDcycle = game.cycle + 120;