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Examples for Processing (BETA) version 91+. If you have a previous version, use the examples included with your software. If you see any errors or have comments, please let us know.

Directional
by REAS <http://reas.com>

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.

Created 28 April 2005

    
// Directional 
// by REAS <http://reas.com> 

 
void setup() 
{ 
  size(200, 200, P3D); 
  noStroke(); 
  fill(204); 
} 
 
void draw() 
{ 
  noStroke(); 
  background(0); 
  float dirY = (mouseY/float(height) - 0.5) * 2.0; 
  float dirX = (mouseX/float(width) - 0.5) * 2.0; 
  directionalLight(204, 204, 204, -dirX, -dirY, -1); 
  translate(20, height/2, 0); 
  sphere(60); 
  translate(120, 0, 0); 
  sphere(60); 
}
 







    
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