private void SetSpecularLight()
{
if (IsSpecularLightEnabled)
{
Gl.glLightfv((uint)this.GlLight, Gl.GL_SPECULAR, SpecularLight);
}
else
{
Gl.glLightfv((uint)this.GlLight, Gl.GL_SPECULAR, Blackout);
}
}
private void SetDiffuseLight()
{
if (IsDiffuseLightEnabled)
{
Gl.glLightfv((uint)this.GlLight, Gl.GL_DIFFUSE, DiffuseLight);
}
else
{
Gl.glLightfv((uint)this.GlLight, Gl.GL_DIFFUSE, Blackout);
}
}
private void SetAmbientLight()
{
if (IsAmbientLightEnabled)
{
Gl.glLightModelfv(Gl.GL_LIGHT_MODEL_AMBIENT, AmbientLight);
Gl.glLightfv((uint)this.GlLight, Gl.GL_AMBIENT, AmbientLight);
}
else
{
Gl.glLightModelfv(Gl.GL_LIGHT_MODEL_AMBIENT, Blackout);
Gl.glLightfv((uint)this.GlLight, Gl.GL_AMBIENT, Blackout);
}
}
public void Draw()
{
this.SetAmbientLight();
this.SetDiffuseLight();
this.SetSpecularLight();
Gl.glPushMatrix();
Gl.glRotatef(this.AngleX, 1, 0, 0);
Gl.glRotatef(this.AngleY, 0, 1, 0);
Gl.glRotatef(this.AngleZ, 0, 0, 1);
Gl.glLightfv((uint)this.GlLight, Gl.GL_POSITION, LightPosition);
Gl.glPopMatrix();
Gl.glEnable((uint)this.GlLight);
}
public Light(int GlLight, float[] LightPosition)
{
this.GlLight = GlLight;
this.IsAmbientLightEnabled = true;
this.IsDiffuseLightEnabled = true;
this.IsSpecularLightEnabled = false;
this.LightPosition = LightPosition;
this.AmbientLight = new float[3] {
.2f, .2f, .2f
};
this.DiffuseLight = new float[3] {
.8f, .8f, .8f
};
this.SpecularLight = new float[3] {
.7f, .7f, .7f
};
this.Specularity = new float[3] {
.2f, .2f, .2f
};
this.Blackout = new float[3] {
0f, 0f, 0f
};
Gl.glEnable(Gl.GL_LIGHTING);
Gl.glEnable(Gl.GL_COLOR_MATERIAL);
// Habilita o modelo de colorização de Gouraud
Gl.glShadeModel(Gl.GL_SMOOTH);
// Define a refletância do material
Gl.glMaterialfv(Gl.GL_FRONT, Gl.GL_SPECULAR, Specularity);
Gl.glMaterialfv(Gl.GL_BACK, Gl.GL_SPECULAR, Specularity);
// Define a concentração do brilho
Gl.glMateriali(Gl.GL_FRONT, Gl.GL_SHININESS, 100);
Gl.glMateriali(Gl.GL_BACK, Gl.GL_SHININESS, 100);
}
