var SimpleParticle = function()
{
this.particles = [];
this.explode = function (x, y, idx) {
? if (!this.particles[idx]) {
? ? ? var colors = [0x00B6F1, 0x1800FF, 0xFF0000, 0xFEFF00, 0x00FF00, 0xf25346, 0xd8d0d1, 0x59332e, 0x23190f, 0xF5986E, 0xf4ce93, 0x68c3c0];
? ? ? this.materials = [];
? ? ? var geometry = new THREE.PlaneGeometry(0.2, 0.2);
? ? ? for (var i = 0; i < colors.length; ++i) {
? ? ? ? ? this.materials.push(new THREE.MeshBasicMaterial({ color: colors[i], transparent: true }));
? ? ? }
? ? ? this.particles[idx] = [];
? ? ? for (var i = 0; i < 64; ++i) {
? ? ? ? ? var particle = new THREE.Mesh(geometry, this.materials[i % colors.length]);
? ? ? ? ? particle.position.set(0, 0, -9.9);
? ? ? ? ? camera.add(particle);
? ? ? ? ? this.particles[idx].push(particle);
? ? ? }
? }
? var t1 = 1000;
? var t2 = 1000;
? for (var i = 0; i < this.particles[idx].length; ++i) {
? ? ? var x0 = x,
? ? ? ? ? y0 = y;
? ? ? this.particles[idx][i].position.set(x0, y0, -9.9);
? ? ? this.particles[idx][i].rotation.z =? Math.random() * Math.PI/2;
? ? ? // 快速 隨機(jī)左右散開阁谆，占 2/3
? ? ? var x1 = (1 - 2 * Math.random()) * 5 + x0;
? ? ? var y1 = (1 - 2 * Math.random()) * 5 + y0;
? ? ? var x11 = x0 + (x1 - x0) * 0.95;
? ? ? var y11 = y0 + (y1 - y0) * 0.95;
? ? ? var tn1 = new TWEEN.Tween(this.particles[idx][i].position).to({
? ? ? ? x: x11,
? ? ? ? y: y11
? ? ? }, t1)
? ? ? var tn2 = new TWEEN.Tween(this.particles[idx][i].position).to({
? ? ? ? x: x1,
? ? ? ? y: y1
? ? ? }, t2)
? ? ? tn1.chain(tn2)
? ? ? tn1.start()
? ? ? new TWEEN.Tween(this.particles[idx][i].rotation).to({
? ? ? ? z: "+3"
? ? ? }, t1).start()? ? ?
? }
? for (var i = 0; i < this.materials.length; ++i) {
? ? this.materials[i].opacity = 1;
? ? new TWEEN.Tween(this.materials[i]).to({ opacity: 0}, t2).delay(t1).start()
? }
}
}
