Gravity Paint: Tilt to Paint

You don't draw it. You pour it. Drag a finger and paint comes out. Then tilt your phone, and it goes where gravity takes it — running down the canvas, pooling where it slows, seeping into whatever hasn't set yet. Nothing here is a filter or a preset. It's a fluid simulation running on the GPU, a hundred thousand particles at a time, reading the accelerometer in your hand. Every painting is a record of how you moved, which is why no two ever come out the same. PAINT THAT BEHAVES LIKE PAINT Ink runs thin and fast. Watercolour spreads wide and washy. Oil crawls, holds its edge, and stays fluid for minutes. Neon accumulates light where strokes overlap. Colours mix into each other only while the paint is still flowing. Once it sets it's fixed — you can cover it, but you can no longer stir it. Put the phone down and the painting keeps developing. Drips advance, edges settle, unset areas keep…