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Some issues with WebGL


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Hi @enpu

Just wanted to point out a couple of possible issues with WebGL.

Polygons don't seem to show and neither do tiled backgrounds. Everything works fine in canvas.

My Triangle Class ...

game.createClass('ShapeTriangle', {

    init: function(x, y, w, h, rot, color) {
        this.spriteLine = new game.Graphics();
        this.spriteLine.lineColor = '#000000';
        this.spriteLine.lineWidth = 2;
        this.spriteLine.fillAlpha = 0;
        this.spriteLine.drawPolygon([0, h, w, h, 0, 0]);
        this.spriteLine.anchor.set(w/2, h/2);
        this.spriteLine.position.set(x, y);
        this.spriteLine.rotation = rot * Math.PI;
        this.spriteFill = new game.Graphics();
        this.spriteFill.fillColor = color;
        this.spriteFill.drawPolygon([0, h, w, h, 0, 0]);
        this.spriteFill.anchor.set(w/2, h/2);
        this.spriteFill.position.set(x, y);
        this.spriteFill.rotation = rot * Math.PI;

My Tiled Bg Class ...

game.createClass('Bg', {

    init: function(image) {
        this.sprite = new game.TilingSprite(image, game.system.width, game.system.height);
        this.sprite.position.set(game.system.originalWidth / 2, game.system.originalHeight / 2);


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