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Add method to retrieve drawable pixel data

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Towards LLK/scratch-gui#66
This commit is contained in:
Ray Schamp
2017-02-17 14:51:04 -05:00
parent c146debde8
commit a65ea3daed
2 changed files with 81 additions and 3 deletions
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9
playground/index.html
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@@ -8,8 +8,8 @@
</style>
</head>
<body style="background: lightsteelblue">
<canvas id="debug-canvas" width="10" height="10" style="border:3px dashed red"></canvas>
<canvas id="scratch-stage" width="10" height="10" style="border:3px dashed black"></canvas>
<canvas id="debug-canvas" width="10" height="10" style="border:3px dashed red"></canvas>
<p>
<select id="fudgeproperty" onchange="onFudgePropertyChanged(this.value)">
<option value="posx">Position X</option>
@@ -124,12 +124,15 @@
var mousePos = getMousePos(event, canvas);
var pickID = renderer.pick(mousePos.x, mousePos.y);
console.log('You clicked on ' + (pickID < 0 ? 'nothing' : 'ID# ' + pickID));
if (pickID >= 0) {
console.dir(renderer.extractDrawable(pickID, mousePos.x, mousePos.y));
}
};
function drawStep() {
renderer.draw();
//renderer.getBounds(drawableID2);
renderer.isTouchingColor(drawableID2, [255,255,255]);
// renderer.getBounds(drawableID2);
// renderer.isTouchingColor(drawableID2, [255,255,255]);
requestAnimationFrame(drawStep);
}
drawStep();