Files
junisaber/src/components/beat.js
2018-10-23 20:02:40 +02:00

686 lines
23 KiB
JavaScript

import {BEAT_WARMUP_OFFSET, BEAT_WARMUP_SPEED, BEAT_WARMUP_TIME} from '../constants/beat';
const auxObj3D = new THREE.Object3D();
const BEAT_WARMUP_ROTATION_CHANGE = Math.PI / 5;
const BEAT_WARMUP_ROTATION_OFFSET = 0.4;
const BEAT_WARMUP_ROTATION_TIME = 750;
const SIGN_MATERIAL = {shader: 'flat', color: '#88f'};
/**
* Create beat from pool, collision detection, clipping planes.
*/
AFRAME.registerComponent('beat', {
schema: {
color: {default: 'red', oneOf: ['red', 'blue']},
cutDirection: {type: 'string'},
debug: {default: false},
size: {default: 0.30},
speed: {default: 1.0},
type: {default: 'arrow', oneOf: ['arrow', 'dot', 'mine']}
},
materialColor: {
blue: '#08083E',
red: '#290404'
},
cutColor: {
blue: '#b3dcff',
red: '#ffb3ca'
},
models: {
arrow: 'beatObjTemplate',
dot: 'beatObjTemplate',
mine: 'mineObjTemplate'
},
signModels: {
arrow: 'arrowObjTemplate',
dot: 'dotObjTemplate'
},
init: function () {
this.backToPool = false;
this.beams = document.getElementById('beams').components.beams;
this.beatBoundingBox = new THREE.Box3();
this.currentRotationWarmupTime = 0;
this.cutDirection = new THREE.Vector3();
this.destroyed = false;
this.gravityVelocity = 0;
this.hitBoundingBox = new THREE.Box3();
this.poolName = undefined;
this.returnToPoolTimer = 800;
this.rotationAxis = new THREE.Vector3();
this.saberEls = this.el.sceneEl.querySelectorAll('[saber-controls]');
this.startPositionZ = undefined;
this.rightCutPlanePoints = [
new THREE.Vector3(),
new THREE.Vector3(),
new THREE.Vector3()
];
this.leftCutPlanePoints = [
new THREE.Vector3(),
new THREE.Vector3(),
new THREE.Vector3()
];
this.wrongElLeft = document.getElementById('wrongLeft');
this.wrongElRight = document.getElementById('wrongRight');
this.missElLeft = document.getElementById('missLeft');
this.missElRight = document.getElementById('missRight');
this.particles = document.getElementById('saberParticles');
this.mineParticles = document.getElementById('mineParticles');
this.saberColors = {right: 'blue', left: 'red'};
this.initBlock();
this.initColliders();
if (this.data.type === 'mine') {
this.initMineFragments();
}
else {
this.initFragments();
};
},
update: function () {
this.updateBlock();
this.updateFragments();
if (this.data.type === 'mine') {
this.poolName = `pool__beat-mine`;
} else {
this.poolName = `pool__beat-${this.data.type}-${this.data.color}`;
}
},
pause: function () {
this.el.object3D.visible = false;
if (this.data.type !== 'mine') {
this.partLeftEl.object3D.visible = false;
this.partRightEl.object3D.visible = false;
}
},
play: function () {
this.blockEl.object3D.visible = true;
this.destroyed = false;
this.el.object3D.visible = true;
},
tock: function (time, timeDelta) {
const el = this.el;
const position = el.object3D.position;
if (this.destroyed) {
this.tockDestroyed(timeDelta);
} else {
// Only check collisions when close.
const collisionZThreshold = -4;
if (position.z > collisionZThreshold) { this.checkCollisions(); }
// Move.
if (position.z < this.startPositionZ) {
// Warm up / warp in.
position.z += BEAT_WARMUP_SPEED * (timeDelta / 1000);
if (position.z >= this.startPositionZ) {
this.beams.newBeam(this.data.color, position);
}
} else {
// Standard moving.
position.z += this.data.speed * (timeDelta / 1000);
}
if (position.z > (this.startPositionZ - BEAT_WARMUP_ROTATION_OFFSET) &&
this.currentRotationWarmupTime < BEAT_WARMUP_ROTATION_TIME) {
const progress = AFRAME.ANIME.easings.easeOutBack(
this.currentRotationWarmupTime / BEAT_WARMUP_ROTATION_TIME);
el.object3D.rotation.z = this.rotationZStart + (progress * this.rotationZChange);
this.currentRotationWarmupTime += timeDelta;
}
// Check.
this.backToPool = position.z >= 2;
if (this.backToPool) { this.missHit(); }
}
this.returnToPool();
},
/**
* Called when summoned by beat-loader.
*/
onGenerate: function () {
this.startPositionZ = this.el.object3D.position.z;
this.el.object3D.position.z -= BEAT_WARMUP_OFFSET;
// Set up rotation warmup.
this.currentRotationWarmupTime = 0;
this.rotationZChange = BEAT_WARMUP_ROTATION_CHANGE;
if (Math.random > 0.5) { this.rotationZChange *= -1; }
this.el.object3D.rotation.z -= this.rotationZChange;
this.rotationZStart = this.el.object3D.rotation.z;
},
initBlock: function () {
var el = this.el;
var blockEl = this.blockEl = document.createElement('a-entity');
var signEl = this.signEl = document.createElement('a-entity');
blockEl.setAttribute('mixin', 'beatBlock');
blockEl.setAttribute('mixin', 'beatSign');
// Small offset to prevent z-fighting when the blocks are far away
signEl.object3D.position.z += 0.02;
blockEl.appendChild(signEl);
el.appendChild(blockEl);
},
updateBlock: function () {
var blockEl = this.blockEl;
var signEl = this.signEl;
blockEl.setAttribute('material', {
metalness: 0.6,
roughness: 0.12,
sphericalEnvMap: '#envmapTexture',
color: this.materialColor[this.data.color]
});
this.setObjModelFromTemplate(blockEl, this.models[this.data.type]);
// Model is 0.29 size. We make it 1.0 so we can easily scale based on 1m size.
blockEl.object3D.scale.multiplyScalar(3.45).multiplyScalar(this.data.size);
if (this.data.type === 'mine') {
const model = blockEl.getObject3D('mesh');
model.material = this.el.sceneEl.components['stage-colors'].mineMaterial;
} else {
signEl.setAttribute('material', SIGN_MATERIAL);
this.setObjModelFromTemplate(signEl, this.signModels[this.data.type]);
}
},
initColliders: function () {
var data = this.data;
var hitColliderConfiguration;
var hitColliderEl;
if (this.data.type === 'dot' || this.data.type === 'mine') { return; }
hitColliderConfiguration = {
position: {x: 0, y: data.size / 2, z: 0},
size: {width: data.size, height: data.size / 5.0, depth: data.size}
};
hitColliderEl = this.hitColliderEl = document.createElement('a-entity');
hitColliderEl.setAttribute('geometry', {
primitive: 'box',
height: hitColliderConfiguration.size.height,
width: hitColliderConfiguration.size.width,
depth: hitColliderConfiguration.size.depth
});
hitColliderEl.object3D.position.copy(hitColliderConfiguration.position);
hitColliderEl.object3D.visible = false;
this.el.appendChild(hitColliderEl);
if (data.debug) {
hitColliderEl.object3D.visible = true;
hitColliderEl.setAttribute('material', 'color', 'purple');
}
},
initFragments: function () {
var cutEl;
var partEl;
partEl = this.partLeftEl = document.createElement('a-entity');
cutEl = this.cutLeftEl = document.createElement('a-entity');
partEl.appendChild(cutEl);
this.el.appendChild(partEl);
partEl = this.partRightEl = document.createElement('a-entity');
cutEl = this.cutRightEl = document.createElement('a-entity');
partEl.appendChild(cutEl);
this.el.appendChild(partEl);
this.initCuttingClippingPlanes();
},
initMineFragments: function () {
var fragment;
var fragments = this.el.sceneEl.systems['mine-fragments-loader'].fragments.children;
var material = this.el.sceneEl.components['stage-colors'].mineMaterial;
this.randVec = new THREE.Vector3(
Math.random() * Math.PI,
Math.random() * Math.PI,
Math.random() * Math.PI);
this.mineFragments = [];
this.mineBroken = document.createElement('a-entity');
this.el.appendChild(this.mineBroken);
for (var i = 0; i < fragments.length; i++) {
fragment = new THREE.Mesh(fragments[i].geometry, material);
fragment.speed = new THREE.Vector3();
fragment.speed.set(Math.random() - 0.5, Math.random() - 0.5, Math.random() - 0.5);
this.mineFragments.push(fragment);
this.mineBroken.object3D.add(fragment);
}
},
updateFragments: function () {
var cutLeftEl = this.cutLeftEl;
var cutRightEl = this.cutRightEl;
var partLeftEl = this.partLeftEl;
var partRightEl = this.partRightEl;
var fragment;
if (this.data.type === 'mine') {
for (var i = 0; i < this.mineFragments.length; i++) {
fragment = this.mineFragments[i];
fragment.visible = false;
fragment.position.set(0, 0, 0);
fragment.scale.set(1, 1, 1);
fragment.speed.set(Math.random() * 5 - 2.5, Math.random() * 5 - 2.5, Math.random() * 5 - 2.5);
}
return;
}
partLeftEl.setAttribute('material', {
metalness: 0.8,
roughness: 0.12,
sphericalEnvMap: '#envmapTexture',
color: this.materialColor[this.data.color],
side: 'double'
});
this.setObjModelFromTemplate(partLeftEl, this.models.dot);
partLeftEl.object3D.visible = false;
cutLeftEl.setAttribute('material', {
shader: 'flat',
color: this.data.cutColor,
side: 'double'
});
this.setObjModelFromTemplate(cutLeftEl, this.models.dot);
partRightEl.setAttribute('material', {
metalness: 0.8,
roughness: 0.12,
sphericalEnvMap: '#envmapTexture',
color: this.materialColor[this.data.color],
side: 'double'
});
this.setObjModelFromTemplate(partRightEl, this.models.dot);
partRightEl.object3D.visible = false;
cutRightEl.setAttribute('material', {
shader: 'flat',
color: this.data.cutColor,
side: 'double'
});
this.setObjModelFromTemplate(cutRightEl, this.models.dot);
},
wrongHit: function (hand) {
var wrongEl = hand === 'left' ? this.wrongElLeft : this.wrongElRight;
if (!wrongEl) { return; }
wrongEl.object3D.position.copy(this.el.object3D.position);
wrongEl.object3D.position.y += 0.2;
wrongEl.object3D.position.z -= 0.5;
wrongEl.object3D.visible = true;
wrongEl.emit('beatwrong', null, true);
this.destroyed = true;
},
missHit: function (hand) {
var missEl = hand === 'left' ? this.missElLeft : this.missElRight;
if (!missEl) { return; }
missEl.object3D.position.copy(this.el.object3D.position);
missEl.object3D.position.y += 0.2;
missEl.object3D.position.z -= 0.5;
missEl.object3D.visible = true;
missEl.emit('beatmiss', null, true);
},
destroyBeat: (function () {
var parallelPlaneMaterial = new THREE.MeshBasicMaterial({
color: '#00008b',
side: THREE.DoubleSide
});
var planeMaterial = new THREE.MeshBasicMaterial({color: 'grey', side: THREE.DoubleSide});
var point1 = new THREE.Vector3();
var point2 = new THREE.Vector3();
var point3 = new THREE.Vector3();
return function (saberEl) {
var coplanarPoint;
var cutThickness = this.cutThickness = 0.02;
var direction = this.cutDirection;
var leftBorderInnerPlane = this.leftBorderInnerPlane;
var leftBorderOuterPlane = this.leftBorderOuterPlane;
var leftCutPlane = this.leftCutPlane;
var planeGeometry;
var planeMesh;
var rightBorderInnerPlane = this.rightBorderInnerPlane;
var rightBorderOuterPlane = this.rightBorderOuterPlane;
var rightCutPlane = this.rightCutPlane;
var trailPoints = saberEl.components.trail.saberTrajectory;
point1.copy(trailPoints[0].top);
point2.copy(trailPoints[0].center);
point3.copy(trailPoints[trailPoints.length - 1].top);
direction.copy(point1).sub(point3);
this.partRightEl.object3D.position.set(0, 0, 0);
this.partRightEl.object3D.rotation.set(0, 0, 0);
this.partRightEl.object3D.updateMatrixWorld();
this.partRightEl.object3D.worldToLocal(this.rightCutPlanePoints[0].copy(point1));
this.partRightEl.object3D.worldToLocal(this.rightCutPlanePoints[1].copy(point2));
this.partRightEl.object3D.worldToLocal(this.rightCutPlanePoints[2].copy(point3));
this.partLeftEl.object3D.position.set(0, 0, 0);
this.partLeftEl.object3D.rotation.set(0, 0, 0);
this.partLeftEl.object3D.updateMatrixWorld();
this.partLeftEl.object3D.worldToLocal(this.leftCutPlanePoints[0].copy(point3));
this.partLeftEl.object3D.worldToLocal(this.leftCutPlanePoints[1].copy(point2));
this.partLeftEl.object3D.worldToLocal(this.leftCutPlanePoints[2].copy(point1));
this.generateCutClippingPlanes();
if (this.data.debug) {
coplanarPoint = new THREE.Vector3();
planeGeometry = new THREE.PlaneGeometry(4.0, 4.0, 1.0, 1.0);
rightCutPlane.coplanarPoint(coplanarPoint);
planeGeometry.lookAt(rightCutPlane.normal);
planeGeometry.translate(coplanarPoint.x, coplanarPoint.y, coplanarPoint.z);
planeMesh = new THREE.Mesh(planeGeometry, planeMaterial);
this.el.sceneEl.setObject3D('rightCutPlane', planeMesh);
planeGeometry = new THREE.PlaneGeometry(4.0, 4.0, 1.0, 1.0);
rightBorderOuterPlane.coplanarPoint(coplanarPoint);
planeGeometry.lookAt(rightBorderOuterPlane.normal);
planeGeometry.translate(coplanarPoint.x, coplanarPoint.y, coplanarPoint.z);
const parallelPlaneMesh = new THREE.Mesh(planeGeometry, parallelPlaneMaterial);
this.el.sceneEl.setObject3D('planeParallel', parallelPlaneMesh);
}
this.blockEl.object3D.visible = false;
const partRightMaterial = this.partRightEl.getObject3D('mesh').material;
partRightMaterial.clippingPlanes = partRightMaterial.clippingPlanes || [];
partRightMaterial.clippingPlanes.length = 0;
partRightMaterial.clippingPlanes.push(rightCutPlane);
const cutRightMaterial = this.cutRightEl.getObject3D('mesh').material;
cutRightMaterial.clippingPlanes = cutRightMaterial.clippingPlanes || [];
cutRightMaterial.clippingPlanes.length = 0;
cutRightMaterial.clippingPlanes.push(rightBorderOuterPlane);
cutRightMaterial.clippingPlanes.push(rightBorderInnerPlane);
const partLeftMaterial = this.partLeftEl.getObject3D('mesh').material;
partLeftMaterial.clippingPlanes = partLeftMaterial.clippingPlanes || [];
partLeftMaterial.clippingPlanes.length = 0;
partLeftMaterial.clippingPlanes.push(leftCutPlane);
const cutLeftMaterial = this.cutLeftEl.getObject3D('mesh').material;
cutLeftMaterial.clippingPlanes = cutLeftMaterial.clippingPlanes || [];
cutLeftMaterial.clippingPlanes.length = 0;
cutLeftMaterial.clippingPlanes.push(leftBorderInnerPlane);
cutLeftMaterial.clippingPlanes.push(leftBorderOuterPlane);
this.partLeftEl.object3D.visible = true;
this.partRightEl.object3D.visible = true;
this.el.sceneEl.renderer.localClippingEnabled = true;
this.destroyed = true;
this.gravityVelocity = 0.1;
this.rotationAxis.copy(this.rightCutPlanePoints[0]).sub(this.rightCutPlanePoints[1]);
this.returnToPoolTimer = 800;
auxObj3D.up.copy(rightCutPlane.normal);
auxObj3D.lookAt(direction);
this.particles.emit('explode', {
position: this.el.object3D.position,
rotation: auxObj3D.rotation
});
};
})(),
destroyMine: function () {
var fragment;
for (var i = 0; i < this.mineFragments.length; i++) {
this.mineFragments[i].visible = true;
}
this.blockEl.object3D.visible = false;
this.destroyed = true;
this.gravityVelocity = 0.1;
this.returnToPoolTimer = 800;
this.mineParticles.emit('explode', {
position: this.el.object3D.position,
rotation: this.randVec
});
},
initCuttingClippingPlanes: function () {
this.leftCutPlanePointsWorld = [
new THREE.Vector3(),
new THREE.Vector3(),
new THREE.Vector3()
];
this.rightCutPlanePointsWorld = [
new THREE.Vector3(),
new THREE.Vector3(),
new THREE.Vector3()
];
this.rightCutPlane = new THREE.Plane();
this.rightBorderOuterPlane = new THREE.Plane();
this.rightBorderInnerPlane = new THREE.Plane();
this.leftCutPlane = new THREE.Plane();
this.leftBorderOuterPlane = new THREE.Plane();
this.leftBorderInnerPlane = new THREE.Plane();
},
generateCutClippingPlanes: function () {
var leftBorderInnerPlane = this.leftBorderInnerPlane;
var leftBorderOuterPlane = this.leftBorderOuterPlane;
var leftCutPlane = this.leftCutPlane;
var leftCutPlanePointsWorld = this.leftCutPlanePointsWorld;
var partLeftEl = this.partLeftEl;
var partRightEl = this.partRightEl;
var rightBorderInnerPlane = this.rightBorderInnerPlane;
var rightBorderOuterPlane = this.rightBorderOuterPlane;
var rightCutPlane = this.rightCutPlane;
var rightCutPlanePointsWorld = this.rightCutPlanePointsWorld;
partRightEl.object3D.updateMatrixWorld();
partRightEl.object3D.localToWorld(
rightCutPlanePointsWorld[0].copy(this.rightCutPlanePoints[0]));
partRightEl.object3D.localToWorld(
rightCutPlanePointsWorld[1].copy(this.rightCutPlanePoints[1]));
partRightEl.object3D.localToWorld(
rightCutPlanePointsWorld[2].copy(this.rightCutPlanePoints[2]));
partLeftEl.object3D.updateMatrixWorld();
partLeftEl.object3D.localToWorld(
leftCutPlanePointsWorld[0].copy(this.leftCutPlanePoints[0]));
partLeftEl.object3D.localToWorld(
leftCutPlanePointsWorld[1].copy(this.leftCutPlanePoints[1]));
partLeftEl.object3D.localToWorld(
leftCutPlanePointsWorld[2].copy(this.leftCutPlanePoints[2]));
rightCutPlane.setFromCoplanarPoints(
rightCutPlanePointsWorld[0], rightCutPlanePointsWorld[1], rightCutPlanePointsWorld[2]);
rightBorderOuterPlane.set(rightCutPlane.normal,
rightCutPlane.constant + this.cutThickness);
leftCutPlane.setFromCoplanarPoints(
leftCutPlanePointsWorld[0], leftCutPlanePointsWorld[1], leftCutPlanePointsWorld[2]);
leftBorderOuterPlane.set(leftCutPlane.normal, leftCutPlane.constant + this.cutThickness);
rightBorderInnerPlane.setFromCoplanarPoints(
rightCutPlanePointsWorld[2], rightCutPlanePointsWorld[1], rightCutPlanePointsWorld[0]);
leftBorderInnerPlane.setFromCoplanarPoints(
leftCutPlanePointsWorld[2], leftCutPlanePointsWorld[1], leftCutPlanePointsWorld[0]);
},
returnToPool: function (force) {
if (!this.backToPool && !force) { return; }
this.el.sceneEl.components[this.poolName].returnEntity(this.el);
},
checkCollisions: function () {
const saberColors = this.saberColors;
const saberEls = this.saberEls;
const hitBoundingBox = this.hitColliderEl && this.hitBoundingBox.setFromObject(
this.hitColliderEl.getObject3D('mesh'));
const beatBoundingBox = this.beatBoundingBox.setFromObject(
this.blockEl.getObject3D('mesh'));
for (let i = 0; i < saberEls.length; i++) {
let saberBoundingBox = saberEls[i].components['saber-controls'].boundingBox;
if (!saberBoundingBox) { break; }
const hand = saberEls[i].getAttribute('saber-controls').hand;
if (hitBoundingBox && saberBoundingBox.intersectsBox(hitBoundingBox)) {
if (saberEls[i].components['saber-controls'].swinging &&
this.data.color === saberColors[hand]) {
this.el.emit('beathit', null, true);
this.el.emit(`beathit${hand}`, null, true);
} else {
this.wrongHit(hand);
}
this.el.parentNode.components['beat-hit-sound'].playSound(
this.el, this.data.cutDirection);
if (this.data.type === 'mine') {
this.destroyMine();
} else {
this.destroyBeat(saberEls[i]);
}
break;
}
if (saberBoundingBox.intersectsBox(beatBoundingBox)) {
this.el.parentNode.components['beat-hit-sound'].playSound(this.el);
if (this.data.type === 'mine') {
this.el.emit('minehit', null, true);
this.destroyMine();
break;
}
this.destroyBeat(saberEls[i]);
if (this.data.type === 'dot' && saberEls[i].components['saber-controls'].swinging &&
this.data.color === saberColors[hand]) {
this.el.emit('beathit', null, true);
this.el.emit(`beathit${hand}`, null, true);
} else {
this.wrongHit(hand);
}
break;
}
}
},
/**
* Destroyed animation.
*/
tockDestroyed: (function () {
var leftCutNormal = new THREE.Vector3();
var leftRotation = 0;
var rightCutNormal = new THREE.Vector3();
var rightRotation = 0;
var rotationStep = 2 * Math.PI / 150;
var fragment;
return function (timeDelta) {
// Update gravity velocity.
this.gravityVelocity = getGravityVelocity(this.gravityVelocity, timeDelta);
this.el.object3D.position.y += this.gravityVelocity * (timeDelta / 1000);
if (this.data.type == 'mine') {
for (var i = 0; i < this.mineFragments.length; i++) {
fragment = this.mineFragments[i];
if (!fragment.visible) { continue; }
fragment.position.addScaledVector(fragment.speed, timeDelta / 1000);
fragment.scale.multiplyScalar(0.97)
if (fragment.scale.y < 0.1){
fragment.visible = false;
}
}
return;
}
rightCutNormal.copy(this.rightCutPlane.normal)
.multiplyScalar((this.data.speed / 2) * (timeDelta / 500));
rightCutNormal.y = 0; // Y handled by gravity.
this.partRightEl.object3D.position.add(rightCutNormal);
this.partRightEl.object3D.setRotationFromAxisAngle(this.rotationAxis, rightRotation);
rightRotation = rightRotation >= 2 * Math.PI ? 0 : rightRotation + rotationStep;
leftCutNormal.copy(this.leftCutPlane.normal)
.multiplyScalar((this.data.speed / 2) * (timeDelta / 500));
leftCutNormal.y = 0; // Y handled by gravity.
this.partLeftEl.object3D.position.add(leftCutNormal);
this.partLeftEl.object3D.setRotationFromAxisAngle(this.rotationAxis, leftRotation);
leftRotation = leftRotation >= 2 * Math.PI ? 0 : leftRotation + rotationStep;
this.generateCutClippingPlanes();
this.returnToPoolTimer -= timeDelta;
this.backToPool = this.returnToPoolTimer <= 0;
};
})(),
/**
* Load OBJ from already parsed and loaded OBJ template.
*/
setObjModelFromTemplate: (function () {
const geometries = {};
return function (el, templateId) {
if (!geometries[templateId]) {
const templateEl = document.getElementById(templateId);
if (templateEl.getObject3D('mesh')) {
geometries[templateId] = templateEl.getObject3D('mesh').children[0].geometry;
} else {
templateEl.addEventListener('model-loaded', () => {
geometries[templateId] = templateEl.getObject3D('mesh').children[0].geometry;
this.setObjModelFromTemplate(el, templateId);
});
return;
}
}
if (!el.getObject3D('mesh')) { el.setObject3D('mesh', new THREE.Mesh()); }
el.getObject3D('mesh').geometry = geometries[templateId];
};
})()
});
/**
* Get velocity given current velocity using gravity acceleration.
*/
function getGravityVelocity (velocity, timeDelta) {
const GRAVITY = -9.8;
return velocity + (GRAVITY * (timeDelta / 1000));
}