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Merge pull request from ScottLogic/sprite-sprite-collisions

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Sprite stamping
This commit is contained in:
Tim Mickel 2014-09-12 12:34:54 -04:00
commit 04d81ad7be
1 changed files with 7 additions and 3 deletions

10
js/Sprite.js
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@ -534,15 +534,19 @@ Sprite.prototype.updateCachedPenColor = function() {
};
Sprite.prototype.stamp = function(canvas, opacity) {
var drawWidth = this.textures[this.currentCostumeIndex].width * this.scale;
var drawHeight = this.textures[this.currentCostumeIndex].height * this.scale;
var resolution = this.costumes[this.currentCostumeIndex].bitmapResolution || 1;
var drawWidth = this.textures[this.currentCostumeIndex].width;
var drawHeight = this.textures[this.currentCostumeIndex].height;
var drawX = this.scratchX + (480 / 2);
var drawY = -this.scratchY + (360 / 2);
var rotationCenterX = this.costumes[this.currentCostumeIndex].rotationCenterX;
var rotationCenterY = this.costumes[this.currentCostumeIndex].rotationCenterY;
canvas.globalAlpha = opacity / 100.0;
canvas.save();
canvas.translate(drawX, drawY);
canvas.scale(this.scale / resolution, this.scale / resolution);
canvas.rotate(this.rotation * Math.PI / 180.0);
canvas.drawImage(this.mesh, -drawWidth/2, -drawHeight/2, drawWidth, drawHeight);
canvas.drawImage(this.mesh, -rotationCenterX, -rotationCenterY, drawWidth, drawHeight);
canvas.restore();
canvas.globalAlpha = 1;
};