110 lines
3.6 KiB
Dart
110 lines
3.6 KiB
Dart
part of game;
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class Explosion extends Node {
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Explosion() {
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zPosition = 10.0;
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}
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}
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class ExplosionBig extends Explosion {
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ExplosionBig(SpriteSheet sheet) {
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// Add particles
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ParticleSystem particlesDebris = new ParticleSystem(
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sheet["explosion_particle.png"],
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rotateToMovement: true,
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startRotation:90.0,
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startRotationVar: 0.0,
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endRotation: 90.0,
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startSize: 0.3,
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startSizeVar: 0.1,
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endSize: 0.3,
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endSizeVar: 0.1,
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numParticlesToEmit: 25,
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emissionRate:1000.0,
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greenVar: 127,
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redVar: 127,
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life: 0.75,
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lifeVar: 0.5
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);
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particlesDebris.zPosition = 1010.0;
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addChild(particlesDebris);
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ParticleSystem particlesFire = new ParticleSystem(
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sheet["fire_particle.png"],
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colorSequence: new ColorSequence(<Color>[new Color(0xffffff33), new Color(0xffff3333), new Color(0x00ff3333)], <double>[0.0, 0.5, 1.0]),
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numParticlesToEmit: 25,
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emissionRate: 1000.0,
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startSize: 0.5,
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startSizeVar: 0.1,
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endSize: 0.5,
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endSizeVar: 0.1,
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posVar: new Point(10.0, 10.0),
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speed: 10.0,
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speedVar: 5.0,
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life: 0.75,
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lifeVar: 0.5
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);
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particlesFire.zPosition = 1011.0;
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addChild(particlesFire);
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// Add ring
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Sprite spriteRing = new Sprite(sheet["explosion_ring.png"]);
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spriteRing.transferMode = ui.TransferMode.plus;
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addChild(spriteRing);
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Action scale = new ActionTween((double a) { spriteRing.scale = a; }, 0.2, 1.0, 0.75);
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Action scaleAndRemove = new ActionSequence(<Action>[scale, new ActionRemoveNode(spriteRing)]);
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Action fade = new ActionTween((double a) { spriteRing.opacity = a; }, 1.0, 0.0, 0.75);
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actions.run(scaleAndRemove);
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actions.run(fade);
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// Add streaks
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for (int i = 0; i < 5; i++) {
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Sprite spriteFlare = new Sprite(sheet["explosion_flare.png"]);
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spriteFlare.pivot = new Point(0.3, 1.0);
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spriteFlare.scaleX = 0.3;
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spriteFlare.transferMode = ui.TransferMode.plus;
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spriteFlare.rotation = randomDouble() * 360.0;
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addChild(spriteFlare);
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double multiplier = randomDouble() * 0.3 + 1.0;
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Action scale = new ActionTween((double a) { spriteFlare.scaleY = a; }, 0.3 * multiplier, 0.8, 0.75 * multiplier);
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Action scaleAndRemove = new ActionSequence(<Action>[scale, new ActionRemoveNode(spriteFlare)]);
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Action fadeIn = new ActionTween((double a) { spriteFlare.opacity = a; }, 0.0, 1.0, 0.25 * multiplier);
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Action fadeOut = new ActionTween((double a) { spriteFlare.opacity = a; }, 1.0, 0.0, 0.5 * multiplier);
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Action fadeInOut = new ActionSequence(<Action>[fadeIn, fadeOut]);
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actions.run(scaleAndRemove);
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actions.run(fadeInOut);
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}
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}
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}
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class ExplosionMini extends Explosion {
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ExplosionMini(SpriteSheet sheet) {
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for (int i = 0; i < 2; i++) {
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Sprite star = new Sprite(sheet["star_0.png"]);
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star.scale = 0.5;
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star.colorOverlay = new Color(0xff95f4fb);
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star.transferMode = ui.TransferMode.plus;
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addChild(star);
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double rotationStart = randomDouble() * 90.0;
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double rotationEnd = 180.0 + randomDouble() * 90.0;
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if (i == 0) {
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rotationStart = -rotationStart;
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rotationEnd = -rotationEnd;
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}
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ActionTween rotate = new ActionTween((double a) { star.rotation = a; }, rotationStart, rotationEnd, 0.2);
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actions.run(rotate);
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ActionTween fade = new ActionTween((double a) { star.opacity = a; }, 1.0, 0.0, 0.2);
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actions.run(fade);
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}
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ActionSequence seq = new ActionSequence(<Action>[new ActionDelay(0.2), new ActionRemoveNode(this)]);
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actions.run(seq);
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}
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}
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