Paint with Pixels

//Paint with Pixels by oliver @pixelchipcode

// obj_paint_spawner Step Event
if (mouse_check_button(mb_left)) {
    repeat(20) {
        var angle = random(360);
        var radius = random(10);
        var rx = mouse_x + lengthdir_x(radius, angle);
        var ry = mouse_y + lengthdir_y(radius, angle);
        instance_create_layer(rx, ry, "Instances", obj_paint);
    }
}

// obj_paint Create Event
y_speed = random(1);
friction = random_range(0.8, 0.99);

// obj_paint Step Event
y_speed *= friction;
y += y_speed;
if (y_speed <= 0.01) instance_destroy();
if (surface_exists(obj_surface_paint.canvas_surface)) {
    surface_set_target(obj_surface_paint.canvas_surface);
    draw_self();
    surface_reset_target();
}

// obj_surface_paint Create Event
canvas_surface = surface_create(256, 256);

// obj_surface_paint Draw Event
if (!surface_exists(canvas_surface)) canvas_surface = surface_create(256, 256);
draw_surface(canvas_surface, 0, 0);