void Render(IntPtr pParam)
{
// camera setup
TMatrix4x4 mat = TMatrix4x4.MatrixIdentity;
transform.Clear(ref mat);
mat = TMatrix4x4.MatrixTranslate(new TPoint3(0f, -4.5f, -4f - (float)Math.Abs(Math.Sin(uiCounter / 250f)) * 5f));
transform.MultLocal(ref mat);
mat = TMatrix4x4.MatrixRotate(15f + (float)Math.Cos(uiCounter / 200f) * 10f, new TPoint3(1f, 0f, 0f));
transform.MultLocal(ref mat);
mat = TMatrix4x4.MatrixRotate(uiCounter / 5f, new TPoint3(0f, 1f, 0f));
transform.MultLocal(ref mat);
mat = transform.Top;
pRender3D.SetMatrix(ref mat);
// set light in the world coordinate system
pLightDirect.Update();
// draw floor
p_render.Unbind(E_ENGINE_OBJECT_TYPE.EOT_MATERIAL); // unbind last material from previous frame
for (int i = -5; i < 5; ++i)
{
for (int j = -5; j < 5; ++j)
{
transform.Push();
mat = TMatrix4x4.MatrixTranslate(new TPoint3(i * 5f, 0f, j * 5f));
transform.MultLocal(ref mat);
mat = TMatrix4x4.MatrixScale(new TPoint3(5f, 5f, 5f));
transform.MultLocal(ref mat);
mat = TMatrix4x4.MatrixRotate(-90f, new TPoint3(1f, 0f, 0f));
transform.MultLocal(ref mat);
mat = transform.Top;
pRender3D.SetMatrix(ref mat);
pTexFloor.Draw3D();
transform.Pop();
}
}
// draw desk
TPoint3 desk_extents, extents;
pMdlDesk.GetExtents(out desk_extents);
TPoint3 desk_pos = new TPoint3(0f, desk_extents.z * 10f, 0f);
transform.Push();
mat = TMatrix4x4.MatrixTranslate(desk_pos);
transform.MultLocal(ref mat);
mat = TMatrix4x4.MatrixScale(new TPoint3(10f, 10f, 10f));
transform.MultLocal(ref mat);
mat = TMatrix4x4.MatrixRotate(-90f, new TPoint3(1f, 0f, 0f));
transform.MultLocal(ref mat);
mat = TMatrix4x4.MatrixRotate(180f, new TPoint3(0f, 0f, 1f));
transform.MultLocal(ref mat);
mat = transform.Top;
pRender3D.SetMatrix(ref mat);
pMdlDesk.Draw();
transform.Pop();
// draw chair
pMdlChair.GetExtents(out extents);
transform.Push();
mat = TMatrix4x4.MatrixTranslate(new TPoint3(-1.5f, extents.z * 5f, 4.5f));
transform.MultLocal(ref mat);
mat = TMatrix4x4.MatrixScale(new TPoint3(5f, 5f, 5f));
transform.MultLocal(ref mat);
mat = TMatrix4x4.MatrixRotate(-90f, new TPoint3(1f, 0f, 0f));
transform.MultLocal(ref mat);
mat = TMatrix4x4.MatrixRotate(65f, new TPoint3(0f, 0f, 1f));
transform.MultLocal(ref mat);
mat = transform.Top;
pRender3D.SetMatrix(ref mat);
pMdlChair.Draw();
transform.Pop();
// draw music box
pMdlMusicBox.GetExtents(out extents);
transform.Push();
mat = TMatrix4x4.MatrixTranslate(desk_pos + new TPoint3(-2.75f, extents.y * 6f, -1f));
transform.MultLocal(ref mat);
mat = TMatrix4x4.MatrixScale(new TPoint3(3f, 3f, 3f));
transform.MultLocal(ref mat);
mat = TMatrix4x4.MatrixRotate(-90f, new TPoint3(1f, 0f, 0f));
transform.MultLocal(ref mat);
mat = TMatrix4x4.MatrixRotate(25f, new TPoint3(0f, 0f, 1f));
transform.MultLocal(ref mat);
mat = transform.Top;
pRender3D.SetMatrix(ref mat);
pMdlMusicBox.Draw();
transform.Pop();
// draw table-lamp
pMdlLamp.GetExtents(out extents);
transform.Push();
mat = TMatrix4x4.MatrixTranslate(desk_pos + new TPoint3(3.75f, extents.z * 8f - 0.2f, -1f));
transform.MultLocal(ref mat);
mat = TMatrix4x4.MatrixScale(new TPoint3(4f, 4f, 4f));
transform.MultLocal(ref mat);
mat = TMatrix4x4.MatrixRotate(-90f, new TPoint3(1f, 0f, 0f));
transform.MultLocal(ref mat);
mat = TMatrix4x4.MatrixRotate(-150f, new TPoint3(0f, 0f, 1f));
transform.MultLocal(ref mat);
mat = transform.Top;
pRender3D.SetMatrix(ref mat);
pMdlLamp.Draw();
// here we set light position in the coordinate space of the lamp (object space)
TPoint3 light_pos = new TPoint3(0.35f, 0f, extents.z - 0.15f);
pLightSpot.SetPosition(ref light_pos);
pLightSpot.Update();
// draw light halo
bool is_light_active;
pLightSpot.GetEnabled(out is_light_active);
if (is_light_active)
{
pRender3D.ToggleLighting(false);
pRender3D.SetBlendMode(E_BLENDING_EFFECT.BE_ADD);
pRender3D.ToggleBlending(true);
TColor4 col = TColor4.ColorYellow(200);
pRender3D.SetColor(ref col);
mat = TMatrix4x4.MatrixTranslate(light_pos + new TPoint3(0f, 0f, -0.1f));
transform.MultLocal(ref mat);
mat = TMatrix4x4.MatrixScale(new TPoint3(0.25f, 0.25f, 0.25f));
transform.MultLocal(ref mat);
mat = TMatrix4x4.MatrixBillboard(transform.Top);
pRender3D.SetMatrix(ref mat);
pTexLight.Draw3D();
pRender3D.ToggleLighting(true);
}
transform.Pop();
// draw snow globe and church
pSnowGlobe.GetExtents(out extents);
transform.Push();
mat = TMatrix4x4.MatrixTranslate(desk_pos + new TPoint3(1f, extents.z * 4f + 0.75f, 0.5f));
transform.MultLocal(ref mat);
mat = TMatrix4x4.MatrixScale(new TPoint3(2f, 2f, 2f));
transform.MultLocal(ref mat);
mat = TMatrix4x4.MatrixRotate(-90f, new TPoint3(1f, 0f, 0f));
transform.MultLocal(ref mat);
transform.Push();
mat = TMatrix4x4.MatrixTranslate(new TPoint3(0f, 0f, 0.125f));
transform.MultLocal(ref mat);
mat = TMatrix4x4.MatrixScale(new TPoint3(0.7f, 0.7f, 0.7f));
transform.MultLocal(ref mat);
mat = transform.Top;
pRender3D.SetMatrix(ref mat);
pModelChurch.Draw();
transform.Pop();
mat = transform.Top;
pRender3D.SetMatrix(ref mat);
pSnowGlobe.Draw();
transform.Pop();
}
