Java Programing

// if we have a normal vector, compute the intensity // under the lighting if ( (geometryArray.getVertexFormat( ) GeometryArray.NORMALS) == GeometryArray.NORMALS ) { double cos_theta; double cos_alpha; double cos_beta; for( int n = 0; n 0.0 ) { cos_theta = surf_norm.dot( light ); if ( cos_theta <= 0.0 ) { intensity = (int) (lightMax * lightAmbient); } else { temp.set( surf_norm ); temp.scale( (float) cos_theta ); 21

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