protected override void OnSizeChanged(EventArgs e)
{
Size sz = Size;
if (sz.Width != 0 && sz.Height != 0)
{
fHeight = sz.Height;
fWidth = sz.Width;
if (fHeight == 0)
{
fHeight = 1;
}
OpenGL.glViewport(0, 0, fWidth, fHeight);
OpenGL.glMatrixMode(OpenGL.GL_PROJECTION);
OpenGL.glLoadIdentity();
GLU.gluPerspective(FOV_Y, (float)fWidth / fHeight, NEAR_CLIPPING_PLANE, FAR_CLIPPING_PLANE);
OpenGL.glMatrixMode(OpenGL.GL_MODELVIEW);
OpenGL.glLoadIdentity();
}
base.OnSizeChanged(e);
}
private void initPerspective()
{
GL.glMatrixMode(GL.GL_PROJECTION);
GL.glLoadIdentity();
GLU.gluPerspective(m_fovyAngle, m_width / m_height, 1, 3000);
GL.glMatrixMode(GL.GL_MODELVIEW);
GL.glLoadIdentity();
}
public void applyCamera()
{
// Set up projection matrix
GL.glMatrixMode(GL.GL_PROJECTION);
GL.glLoadIdentity();
GLU.gluPerspective(FieldAngle * 360.0f / (2.0f * (float)Math.PI), AspectRatio, NearClip, FarClip);
GLU.gluLookAt(px, py, pz, tx, ty, tz, ux, uy, uz);
GL.glMatrixMode(GL.GL_MODELVIEW);
// Render skybox (assume texture already bound)
GL.glLoadIdentity();
skybox.render();
}
public override void SetViewport(int width, int height, float fovY, float zNear, float zFar)
{
if (width > 0 && height > 0)
{
OpenGL.glViewport(0, 0, width, height);
OpenGL.glMatrixMode(OpenGL.GL_PROJECTION);
OpenGL.glLoadIdentity();
GLU.gluPerspective(fovY, (float)width / height, zNear, zFar);
OpenGL.glMatrixMode(OpenGL.GL_MODELVIEW);
OpenGL.glLoadIdentity();
}
}