public GLAxes(float axisLength)
{
fXAxis = new GLSpear(new float3(axisLength, 0, 0), ColorRGBA.Red);
fYAxis = new GLSpear(new float3(0, axisLength, 0), ColorRGBA.Green);
fZAxis = new GLSpear(new float3(0, 0, axisLength), ColorRGBA.Blue);
fSphere = new GLUSphere(0.05f, 15, 15);
}
protected override void OnSetContext()
{
GI.ShadeModel(ShadingModel.Smooth);
GI.Features.DepthTest.Enable();
// Definition of material
GI.Material(GLFace.Front, MaterialParameter.Diffuse, diffuseMaterial);
GI.Material(GLFace.Front, MaterialParameter.Specular, mat_specular);
GI.Material(GLFace.Front, MaterialParameter.Shininess, 25.0f);
// Lighting
GI.Features.Lighting.Light0.Location = light_position;
GI.Features.Lighting.Enable();
GI.Features.Lighting.Light0.Enable();
GI.ColorMaterial(GLFace.Front, ColorMaterialParameter.Diffuse);
GI.Features.ColorMaterial.Enable();
GI.Buffers.ColorBuffer.Color = ColorRGBA.Invisible;
sphere = new GLUSphere(GI, 1, 20, 16);
sphere.DrawingStyle = QuadricDrawStyle.Fill;
}
protected override void OnSetContext()
{
if (sphere == null)
{
sphere = new GLUSphere(GI, 1, 32, 32);
sphere.DrawingStyle = QuadricDrawStyle.Fill;
}
GI.Features.DepthTest.Enable();
gl.glDepthFunc(gl.GL_LESS);
GI.Features.Lighting.Enable();
GI.Features.Lighting.Light0.Enable();
GI.Features.Lighting.Light0.Ambient = ambient;
GI.Features.Lighting.Light0.Diffuse = diffuse;
GI.Features.Lighting.Light0.Location = position;
gl.glLightModelfv(gl.GL_LIGHT_MODEL_AMBIENT, lmodel_ambient);
gl.glLightModelfv(gl.GL_LIGHT_MODEL_LOCAL_VIEWER, local_view);
GI.Buffers.ColorBuffer.Color = new ColorRGBA(0.0f, 0.1f, 0.1f, 0.0f);
}
