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- Particle Emitter canvas renderer

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- Camera Effects resets blend mode to avoid bug when dealing with custom blended game objects
This commit is contained in:
Felipe Alfonso 2017-09-28 22:16:10 -03:00
parent 9e8d2394bd
commit bc281871ac
4 changed files with 57 additions and 5 deletions
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53
v3/src/gameobjects/emitter/ParticleEmitterCanvasRenderer.js
View file

@ -1,6 +1,55 @@
var ParticleEmitterCanvasRenderer = function (renderer, src, interpolationPercentage, camera)
{
var GameObject = require('../GameObject');
var ParticleEmitterCanvasRenderer = function (renderer, emitter, interpolationPercentage, camera)
{
var particles = emitter.alive;
var length = particles.length;
var ctx = renderer.currentContext;
var frame = emitter.frame;
var dx = frame.x;
var dy = frame.y;
var width = frame.width;
var height = frame.height;
var ox = width * 0.5;
var oy = height * 0.5;
var lastAlpha = ctx.globalAlpha;
var cd = frame.canvasData;
var cameraScrollX = camera.scrollX * emitter.scrollFactorX;
var cameraScrollY = camera.scrollY * emitter.scrollFactorY;
if (length === 0 || GameObject.RENDER_MASK !== emitter.renderFlags || (emitter.cameraFilter > 0 && (emitter.cameraFilter & camera._id)))
{
return;
}
if (renderer.currentBlendMode !== emitter.blendMode)
{
renderer.currentBlendMode = emitter.blendMode;
ctx.globalCompositeOperation = renderer.blendModes[emitter.blendMode];
}
for (var index = 0; index < length; ++index)
{
var particle = particles[index];
var x = -ox;
var y = -oy;
var scaleX = particle.scaleX;
var scaleY = particle.scaleY;
var rotation = particle.rotation;
var color = particle.color;
var alpha = ((color >> 24) & 0xFF) / 255.0;
ctx.globalAlpha = alpha;
ctx.save();
ctx.translate(particle.x - cameraScrollX, particle.y - cameraScrollY);
ctx.rotate(rotation);
ctx.scale(scaleX, scaleY);
ctx.drawImage(frame.source.image, cd.sx, cd.sy, cd.sWidth, cd.sHeight, x, y, cd.dWidth, cd.dHeight);
ctx.restore();
}
ctx.globalAlpha = lastAlpha;
};
module.exports = ParticleEmitterCanvasRenderer;

2
v3/src/renderer/canvas/CanvasRenderer.js
View file

@ -227,6 +227,8 @@ var CanvasRenderer = new Class({
if (camera._fadeAlpha > 0 || camera._flashAlpha > 0)
{
ctx.globalCompositeOperation = 'source-over';
// fade rendering
ctx.fillStyle = 'rgb(' + (camera._fadeRed * 255) + ',' + (camera._fadeGreen * 255) + ',' + (camera._fadeBlue * 255) + ')';
ctx.globalAlpha = camera._fadeAlpha;

3
v3/src/renderer/webgl/WebGLRenderer.js
View file

@ -500,8 +500,7 @@ var WebGLRenderer = new Class({
if (camera._fadeAlpha > 0 || camera._flashAlpha > 0)
{
this.setRenderTarget(null);
quadBatch.bind();
this.setBlendMode(BlendModes.NORMAL);
// fade rendering
quadBatch.add(

4
v3/src/renderer/webgl/renderers/particlerenderer/ParticleRenderer.js
View file

@ -215,6 +215,8 @@ var ParticleRenderer = new Class({
var tempMatrix = this.tempMatrix;
var tempMatrixMatrix = tempMatrix.matrix;
var particleOffset = 0;
var cameraScrollX = camera.scrollX * emitter.scrollFactorX;
var cameraScrollY = camera.scrollY * emitter.scrollFactorY;
if (length === 0) return;
@ -235,7 +237,7 @@ var ParticleRenderer = new Class({
var xw = x + width;
var yh = y + height;
tempMatrix.applyITRS(particle.x, particle.y, rotation, scaleX, scaleY);
tempMatrix.applyITRS(particle.x - cameraScrollX, particle.y - cameraScrollY, rotation, scaleX, scaleY);
var sra = tempMatrixMatrix[0];
var srb = tempMatrixMatrix[1];