Source code: drawing_tool

Built with Processing

Instructions: Click and drag the arrow slowly across the canvas to paint in freeform. Drag faster for a more spotted or dashed look. The default color is black and the default brush size is 3. Press r, g, b, s, or y on the keyboard to change the color to red, green, blue, sky blue, or yellow respectively. Press 1, 2, 3, 4, 5, 6, 7, or 8 on the keyboard to change the brush size.