?? directional.pde
字號:
/** * Directional. * * Move the mouse the change the direction of the light. * Directional light comes from one direction and is stronger * when hitting a surface squarely and weaker if it hits at a * a gentle angle. After hitting a surface, a directional lights * scatters in all directions. */void setup() { size(640, 360, P3D); noStroke(); fill(204);}void draw() { noStroke(); background(0); float dirY = (mouseY / float(height) - 0.5) * 2; float dirX = (mouseX / float(width) - 0.5) * 2; directionalLight(204, 204, 204, -dirX, -dirY, -1); translate(width/2 - 100, height/2, 0); sphere(80); translate(200, 0, 0); sphere(80); }
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