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HTML5 canvas – how to control scaling 101
So there I was, trying to place a new canvas element exactly over a Konva stage, which worked but the scaling was all wrong compared to the Konva output – what gives ?
Konva – Point & shape collision detection
Someone asked about shape-point collision detection for the point under the mouse in a case where there are many shapes on the stage, and how to improve performance in relation to the Stage.getAllIntesections(), Stage.getIntersection() and Shape.intersects() methods. Here’s my explanation of those functions and an approach to improving hit detection. Just to be clear –Continue reading “Konva – Point & shape collision detection”
Konva – making a shape fill the view
The topic of how to get a shape to the front and center of the canvas view often arises. Here is my approach…
Coding for the long view 