void C3DCubeModel::DrawModel(wzMatrix* pView, wzMatrix* pProj, wzVector3* gap)
{
if(!m_isCreated)
return;
wzMatrix wvpMatans;
wzVector4 modelColor = VEC4_INIT(1.0f,1.0f,1.0f,1.0f);
wzVector3 lightColor = VEC3_INIT(1.0f,1.0f,1.0f);
wzVector3 lightDirection = VEC3_INIT(0.6f,0.7f,1.0f);
// Matrix multiply
wzMatrixIdentity(&wvpMatans);
wzMatrixMultiply(&wvpMatans, pProj, &wvpMatans);
if(gap != NULL) {
wzMatrix drawcalc;
wzMatrixTranslation(&drawcalc,gap->x, gap->y, gap->z);
wzMatrixMultiply(&wvpMatans, &drawcalc, &wvpMatans);
}
wzMatrixMultiply(&wvpMatans, pView, &wvpMatans);
// Shader
wzUseShader(&m_shader);
wzUniformMatrix("u_worldViewProjMatrix",&wvpMatans);
// Color
wzUniformVector4("u_diffuse",&modelColor);
wzUniformVector3("u_lightdiffuse",&lightColor);
wzUniformVector3("u_lightdir",&lightDirection);
// Drawing
wzDrawMesh(&m_cube);
}
//Draw
void COculusVR::DrawScreen()
{
//clear
wzClear();
// Adjust eye position and rotation from controls, maintaining y position from HMD.
static float BodyYaw(3.141592f);
static Vector3f HeadPos(0.0f, 0.0f, -5.0f);
static ovrTrackingState HmdState;
static ovrPosef eyeRenderPose[2];
ovrVector3f hmdToEyeViewOffset[2] = { EyeRenderDesc[0].HmdToEyeViewOffset, EyeRenderDesc[1].HmdToEyeViewOffset };
ovrHmd_GetEyePoses(Hmd, 0, hmdToEyeViewOffset, eyeRenderPose, &HmdState);
/* debug
wzSetSpriteScSize(1920, 1080);
wzSetSpritePosition(0.0f, 0.0f, 0.0f);
wzSetSpriteColor(1.0f, 1.0f, 1.0f, 1.0f);
wzSetSpriteTexCoord(0.0f, 0.0f, 1.0f, 1.0f);
wzSetSpriteSizeLeftUp((float)1920, (float)1080);
wzSetSpriteTexture(&m_screenTex);
wzSpriteDraw(); //Draw
*/
// Setup shader
wzUseShader(&LensShader);
wzSetTexture("texture0", &m_screenTex, 0);
for ( int eyeNum = 0; eyeNum < 2; eyeNum++ )
{
wzVector2 uvScale = {UVScaleOffset[eyeNum][0].x,-UVScaleOffset[eyeNum][0].y};
wzVector2 uvOffset = {UVScaleOffset[eyeNum][1].x,UVScaleOffset[eyeNum][1].y};
wzMatrix rotStart,rotEnd;
wzUniformVector2("eyeToSourceUVscale", &uvScale);
wzUniformVector2("eyeToSourceUVoffset", &uvOffset);
ovrMatrix4f timeWarpMatrices[2];
ovrHmd_GetEyeTimewarpMatrices(Hmd, (ovrEyeType)eyeNum, eyeRenderPose[eyeNum], timeWarpMatrices);
memcpy(&rotStart.m,&timeWarpMatrices[0],sizeof(ovrMatrix4f));
memcpy(&rotEnd.m,&timeWarpMatrices[1],sizeof(ovrMatrix4f));
wzUniformMatrix("eyeRotationStart", &rotStart); //Nb transposed when set
wzUniformMatrix("eyeRotationEnd", &rotEnd);
//Draw Mesh
wzDrawMesh(&MeshBuffer[eyeNum]);
}
//DK2 Latency Tester
unsigned char latencyColor[3];
ovrBool drawDk2LatencyQuad = ovrHmd_GetLatencyTest2DrawColor(Hmd, latencyColor);
if(drawDk2LatencyQuad)
{
const int latencyQuadSize = 20; // only needs to be 1-pixel, but larger helps visual debugging
wzSetViewport(Hmd->Resolution.w - latencyQuadSize, 0, latencyQuadSize, latencyQuadSize);
wzSetClearColor(latencyColor[0] / 255.0f, latencyColor[1] / 255.0f, latencyColor[2] / 255.0f,0.0f);
wzClear();
}
}
