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Merge pull request #3358 from delftswa2018/3231-CANVAS-tilesprite-rotation-flip-scaling

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Added rotation, scaling and flipping to TileSpriteCanvasRenderer
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Richard Davey 2018-03-09 15:51:35 +00:00 committed by GitHub
commit 3ed077a6d7
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 27 additions and 2 deletions
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29
src/gameobjects/tilesprite/TileSpriteCanvasRenderer.js
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@ -61,6 +61,23 @@ var TileSpriteCanvasRenderer = function (renderer, src, interpolationPercentage,
var tx = src.x - camera.scrollX * src.scrollFactorX;
var ty = src.y - camera.scrollY * src.scrollFactorY;
var fx = 1;
var fy = 1;
// Flipping
if (src.flipX)
{
fx = -1;
dx += src.width;
}
if (src.flipY)
{
fy = -1;
dy += src.height;
}
if (renderer.config.roundPixels)
{
dx |= 0;
@ -75,10 +92,18 @@ var TileSpriteCanvasRenderer = function (renderer, src, interpolationPercentage,
ctx.translate(tx, ty);
ctx.fillStyle = src.canvasPattern;
// Flip
ctx.scale(fx, fy);
// Rotate and scale around center
ctx.translate((src.originX * src.width), (src.originY * src.height));
ctx.rotate(fx * fy * src.rotation);
ctx.scale(this.scaleX, this.scaleY);
ctx.translate(-(src.originX * src.width), -(src.originY * src.height));
// Draw
ctx.translate(-this.tilePositionX, -this.tilePositionY);
ctx.fillStyle = src.canvasPattern;
ctx.fillRect(this.tilePositionX, this.tilePositionY, src.width, src.height);
ctx.restore();