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<!doctype html>
<html>
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no">
<title>Collisions | APE</title>
<link rel="stylesheet" type="text/css" href="./base.css">
<script type="text/javascript" src="./lib/THREE.min.js"></script>
<script type="text/javascript" src="./lib/Stats.min.js"></script>
<script type="text/javascript" src="./lib/dat.gui.min.js"></script>
<script type="text/javascript" src="./lib/OrbitControls.min.js"></script>
<script type="text/javascript" src="/APE/build/APE.Rigid.min.js"></script>
<script type="text/javascript" src="./base.js"></script>
</head>
<body></body>
<script type="text/javascript">
var velocity = new THREE.Vector3();
var vector0 = new THREE.Vector3();
var prevTime = performance.now();
var ball = null, ballUUID = '';
var isColliding = false;
var KINEMATIC_BODY = 0xd0cefb;
var DYNAMIC_BODY = 0x83cbef;
var STATIC_BODY = 0xfcf0da;
var move = {
backward: false,
forward: false,
right: false,
left: false
};
function clamp (value, min, max) {
return Math.max(min, Math.min(value, max))
}
function createGround () {
// Static bodies default friction:
APE.Static.friction = 50.0;
APE.Static.addBox(ground);
}
function createBall () {
// Dynamic Ball:
ball = new THREE.Mesh(
new THREE.SphereGeometry(1.5, 32, 32),
new THREE.MeshPhongMaterial({
color: 0x222222
})
);
ball.castShadow = true;
ball.position.z = -25;
ball.position.y = 2;
APE.Dynamic.addSphere(ball, 50);
ballUUID = ball.uuid;
scene.add(ball);
}
function createStage () {
var rightWall = new THREE.Mesh(
new THREE.BoxGeometry(1, 5, 75),
new THREE.MeshPhongMaterial({
color: STATIC_BODY
})
);
rightWall.position.x = -25;
rightWall.position.y = 2.5;
var leftWall = new THREE.Mesh(
new THREE.BoxGeometry(1, 5, 75),
new THREE.MeshPhongMaterial({
color: STATIC_BODY
})
);
leftWall.position.y = 2.5;
leftWall.position.x = 25;
var frontWall = new THREE.Mesh(
new THREE.BoxGeometry(50, 5, 1),
new THREE.MeshPhongMaterial({
color: STATIC_BODY
})
);
frontWall.position.y = 2.5;
frontWall.position.z = 37;
var backWall = new THREE.Mesh(
new THREE.BoxGeometry(50, 5, 1),
new THREE.MeshPhongMaterial({
color: STATIC_BODY
})
);
backWall.position.z = -37;
backWall.position.y = 2.5;
APE.Static.addBox(frontWall);
APE.Static.addBox(rightWall);
APE.Static.addBox(leftWall);
APE.Static.addBox(backWall);
scene.add(frontWall);
scene.add(rightWall);
scene.add(leftWall);
scene.add(backWall);
}
function createRigidBodies () {
var plane0 = new THREE.Mesh(
new THREE.BoxGeometry(20, 3, 1),
new THREE.MeshPhongMaterial({
color: KINEMATIC_BODY
})
);
plane0.castShadow = true;
plane0.position.x = -14;
plane0.position.y = 1.5;
plane0.position.z = -20;
var plane1 = new THREE.Mesh(
new THREE.BoxGeometry(20, 3, 1),
new THREE.MeshPhongMaterial({
color: KINEMATIC_BODY
})
);
plane1.castShadow = true;
plane1.position.x = 14;
plane1.position.y = 1.5;
plane1.position.z = -20;
APE.Kinematic.addBox(plane0);
APE.Kinematic.addBox(plane1);
scene.add(plane0);
scene.add(plane1);
var box = null;
APE.Dynamic.margin = 0;
for (let i = 0, x = 6; i < 5; i++, x -= 3) {
box = new THREE.Mesh(
new THREE.BoxGeometry(2, 2, 2),
new THREE.MeshPhongMaterial({
color: DYNAMIC_BODY
})
);
box.castShadow = true;
box.position.x = x;
box.position.y = 1;
APE.Dynamic.addBox(box, 10);
scene.add(box);
}
for (let i = 0, x = 4.5; i < 4; i++, x -= 3) {
box = new THREE.Mesh(
new THREE.BoxGeometry(2, 2, 2),
new THREE.MeshPhongMaterial({
color: DYNAMIC_BODY
})
);
box.castShadow = true;
box.position.x = x;
box.position.y = 3;
APE.Dynamic.addBox(box, 10);
scene.add(box);
}
for (let i = 0, x = 3; i < 3; i++, x -= 3) {
box = new THREE.Mesh(
new THREE.BoxGeometry(2, 2, 2),
new THREE.MeshPhongMaterial({
color: DYNAMIC_BODY
})
);
box.castShadow = true;
box.position.x = x;
box.position.y = 5;
APE.Dynamic.addBox(box, 10);
scene.add(box);
}
for (let i = 0, x = 1.5; i < 2; i++, x -= 3) {
box = new THREE.Mesh(
new THREE.BoxGeometry(2, 2, 2),
new THREE.MeshPhongMaterial({
color: DYNAMIC_BODY
})
);
box.castShadow = true;
box.position.x = x;
box.position.y = 7;
APE.Dynamic.addBox(box, 10);
scene.add(box);
}
box = new THREE.Mesh(
new THREE.BoxGeometry(2, 2, 2),
new THREE.MeshPhongMaterial({
color: DYNAMIC_BODY
})
);
box.castShadow = true;
box.position.x = 0;
box.position.y = 9;
APE.Dynamic.addBox(box, 10);
scene.add(box);
}
function createControls () {
document.addEventListener('keydown', function (event) {
keyHandler(event.keyCode, true);
}, false);
document.addEventListener('keyup', function (event) {
keyHandler(event.keyCode, false);
}, false);
}
function keyHandler (code, pressed) {
switch (code) {
case 40:
move.backward = pressed;
break;
case 38:
move.forward = pressed;
break;
case 39:
move.right = pressed;
break;
case 37:
move.left = pressed;
break;
}
}
function setCollisionColor (body) {
if (body.mesh.uuid === ballUUID) {
return body.mesh.material.color.setHex(0x0d6aef);
}
if (body.type === 'Static') {
body.mesh.material.color.setHex(0xbe4645);
}
if (body.type === 'Dynamic') {
body.mesh.material.color.setHex(0x1fa942);
}
if (body.type === 'Kinematic') {
body.mesh.material.color.setHex(0xE9E868);
}
}
function resetCollisionColor (body) {
if (body.mesh.uuid === ballUUID) {
return body.mesh.material.color.setHex(0x222222);
}
if (body.type === 'Static') {
body.mesh.material.color.setHex(STATIC_BODY);
}
if (body.type === 'Dynamic') {
body.mesh.material.color.setHex(DYNAMIC_BODY);
}
if (body.type === 'Kinematic') {
body.mesh.material.color.setHex(KINEMATIC_BODY);
}
}
function toggleCollidingState (uuid0, type0, uuid1, type1, colliding) {
var isStatic = type0 === 'Static' || type1 === 'Static';
if ((uuid0 === ballUUID || uuid1 === ballUUID) && isStatic) {
velocity.multiplyScalar(0.01);
isColliding = colliding;
}
}
function onCollisionStart (body0, body1) {
var uuid0 = body0.mesh.uuid;
var uuid1 = body1.mesh.uuid;
if (uuid0 === ground.uuid || uuid1 === ground.uuid) {
return;
}
if (uuid0 === ballUUID || uuid1 === ballUUID) {
toggleCollidingState(uuid0, body0.type, uuid1, body1.type, true);
setCollisionColor(body0);
setCollisionColor(body1);
}
}
function onCollisionEnd (body0, body1) {
var uuid0 = body0.mesh.uuid;
var uuid1 = body1.mesh.uuid;
if (uuid0 === ground.uuid || uuid1 === ground.uuid) {
return;
}
toggleCollidingState(uuid0, body0.type, uuid1, body1.type, false);
resetCollisionColor(body0);
resetCollisionColor(body1);
}
function update () {
stats.begin();
var time = performance.now();
var delta = (time - prevTime) / 1000;
var acceleration = 150 * delta;
var deceleration = 10 * delta;
velocity.x -= velocity.x * deceleration;
velocity.z -= velocity.z * deceleration;
if (move.backward) {
velocity.x -= acceleration;
}
if (move.forward) {
velocity.x += acceleration;
}
if (move.right) {
velocity.z += acceleration;
}
if (move.left) {
velocity.z -= acceleration;
}
if (isColliding) {
velocity.x = clamp(velocity.x, -2.5, 2.5);
velocity.z = clamp(velocity.z, -2.5, 2.5);
}
APE.Dynamic.setAngularVelocity(ball, velocity);
APE.Dynamic.update();
APE.update();
prevTime = time;
renderer.render(scene, camera);
stats.end();
requestAnimationFrame(update);
}
window.addEventListener('DOMContentLoaded', () => {
APE.init();
createGround();
createStage();
createBall();
createControls();
createRigidBodies();
APE.collisionReport = true;
APE.onCollisionEnd = onCollisionEnd;
APE.onCollisionStart = onCollisionStart;
requestAnimationFrame(update);
});
</script>
</html>