Example of material properties and file indirection 80 64 tiles in x,y 8 8 pixels (x,y) per tile 4 3x3 virtual pixels -> 2x2 pixels 0 0.1 0 background colour T cast shadows 25 Phong power 0.15 secondary light contribution 0.05 ambient light contribution 0.25 specular reflection component 4.0 eye position 1 1 1 main light source position 1 0 0 0 input coordinate, radius transformation 0 1 0 0 0 0 1 0 0 0 0 2.0 3 mixed objects * * *