Created
June 11, 2013 10:40
-
-
Save dzenkovich/5755965 to your computer and use it in GitHub Desktop.
Canvas Animation - Arrays
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Blur.prototype.burn_ = function () { | |
| var time = (new Date()).getTime(); | |
| var width = this.image.width; | |
| var height = this.image.height; | |
| if (!this.lastTime) this.lastTime = time; | |
| if (this.dragging) { | |
| var points = this.getAndProcessAffected(); | |
| //var edgePoints = []; | |
| //Start the fire | |
| for (var i = 0, l = points.length; i < l; i++) { | |
| var c = points[i]; | |
| if (!this.burned.getPoint(c.x, c.y) && !this.burning.getPoint(c.x, c.y)) { | |
| var point = this.burning.addPoint(points[i].x, points[i].y); | |
| point.flame = 1; | |
| point.start = time; | |
| point.pixel = this.pixels[c.x][c.y]; | |
| } | |
| } | |
| } | |
| //Burn | |
| var burn = function () { | |
| for (i = 0, l = this.burning.points.length; i < l; i++) { | |
| point = this.burning.points[i]; | |
| if (!point) continue; | |
| if (point.flame > 0) { | |
| this.burnPoint_(point, time, width); | |
| if (!point.inactive && point.flame < 0.8 && point.flame > 0.4) { | |
| this.spreadPoint_(point, time, width, height); | |
| } | |
| } | |
| if (point.flame <= 0) { | |
| this.burned.addPoint(point.x, point.y); | |
| this.burning.removePointByIndex(i); | |
| i--; | |
| } | |
| } | |
| }.bind(this); | |
| burn(); | |
| this.lastTime = time; | |
| this.ctx.putImageData(this.blurPixels, 0, 0); | |
| requestAnimationFrame(this.burn_.bind(this), this.element_); | |
| }; |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment