public RColor illumination(P3 p, SceneObject so)
{
P3 surfaceNormal = so.shape.normal(p);
float shade = surfaceNormal.dotProduct(this.direction);
if (shade < 0)
{
return new RColor(0, 0, 0);
}
else
{
return this.color.scalarMultiply(shade);
}
}
public RColor Coloring(P3 p, Ray r, SceneObject so)
{
P2 textureLoc = so.shape.toP2(p);
RColor textureColor = so.texture.texture(textureLoc);
RColor sumOfLights = new RColor(0, 0, 0);
RColor lightColor;
foreach (Light lightSource in Form1.lights)
{
lightColor = lightSource.illumination(p,so);
sumOfLights = sumOfLights.add(lightColor);
}
return RColor.multiplyColor(textureColor, sumOfLights);
}
public RColor illumination(P3 p, SceneObject so)
{
return this.color;
}