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(); }