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richengle

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Posts posted by richengle

  1. if you are trying to cleat your canvas, but you have lines, you need to begin path again.   So first try this

    context.clearRect(0, 0, context.canvas.width, context.canvas.height);
    context.beginPath();

    == if that doesnt work, try

     

    context.clearRect(0, 0, canvas.width, canvas.height);
    context.beginPath();

    ==  and if you had ROTATED OR SCALED YOUR CANVAS, you need to 

    ctx.save();
    ctx.beginPath();
    // Use the identity matrix while clearing the canvas
    ctx.setTransform(1, 0, 0, 1, 0, 0);
    ctx.clearRect(0, 0, myCanvas.width, myCanvas.height);

    // Restore the transform
    ctx.restore();//myCanvas.width=myCanvas.width

     

    ===  and lastly, if that doenst work, you can hack it by... 

    context.width=context.width

     

     

     

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