Click and drag with your mouse to draw.
The color changes when you cross the x-axis. (However, moving too fast will result in the colors crossing the axis.)
Press the spacebar to reset the stage.data:image/png;base64,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Click and drag with your mouse to draw.
The color changes when you cross the x-axis. (However, moving too fast will result in the colors crossing the axis.)
Press the spacebar to reset the stage.