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extra : convert_revision : svn%3A7752d6cf-9f14-4ad2-affc-04f1e67b81a5/trunk%406
This commit is contained in:
kearwood
2012-02-10 05:48:59 +00:00
parent fe0fd86896
commit 26c5a29b29
14 changed files with 399 additions and 90 deletions
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39
KREngine/KREngine/Classes/KREngine.mm
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@@ -213,22 +213,37 @@ double const PI = 3.141592653589793f;
lightDirection.normalize();
[self allocateShadowBuffers];
for(int iShadow=0; iShadow < m_cShadowBuffers; iShadow++) {
if(!shadowValid[iShadow] || true) {
int iOffset=m_iFrame % m_cShadowBuffers;
for(int iShadow2=iOffset; iShadow2 < m_cShadowBuffers + iOffset; iShadow2++) {
int iShadow = iShadow2 % m_cShadowBuffers;
GLfloat shadowMinDepths[3][3] = {{0.0, 0.0, 0.0},{0.0, 0.0, 0.0},{0.0, 0.05, 0.3}};
GLfloat shadowMaxDepths[3][3] = {{0.0, 0.0, 1.0},{0.1, 0.0, 0.0},{0.1, 0.3, 1.0}};
KRMat4 newShadowMVP;
if(shadowMaxDepths[m_cShadowBuffers - 1][iShadow] == 0.0) {
KRBoundingVolume ext = KRBoundingVolume(pScene->getExtents());
newShadowMVP = ext.calcShadowProj(pScene, sun_yaw, sun_pitch);
} else {
KRBoundingVolume frustrumSliceVolume = KRBoundingVolume(viewMatrix, m_camera.perspective_fov, m_camera.perspective_aspect, m_camera.perspective_nearz + (m_camera.perspective_farz - m_camera.perspective_nearz) * shadowMinDepths[m_cShadowBuffers - 1][iShadow], m_camera.perspective_nearz + (m_camera.perspective_farz - m_camera.perspective_nearz) * shadowMaxDepths[m_cShadowBuffers - 1][iShadow]);
newShadowMVP = frustrumSliceVolume.calcShadowProj(pScene, sun_yaw, sun_pitch);
}
if(!(shadowmvpmatrix[iShadow] == newShadowMVP)) {
shadowValid[iShadow] = false;
}
if(!shadowValid[iShadow]) {
shadowValid[iShadow] = true;
GLfloat shadowMinDepths[3][3] = {{0.0, 0.0, 0.0},{0.0, 0.0, 0.0},{0.0, 0.05, 0.3}};
GLfloat shadowMaxDepths[3][3] = {{0.0, 0.0, 1.0},{0.1, 0.0, 0.0},{0.1, 0.3, 1.0}};
if(shadowMaxDepths[m_cShadowBuffers - 1][iShadow] == 0.0) {
shadowmvpmatrix[iShadow] = pScene->getExtents().calcShadowProj(pScene, sun_yaw, sun_pitch);
} else {
KRBoundingVolume frustrumSliceVolume = KRBoundingVolume(viewMatrix, m_camera.perspective_fov, m_camera.perspective_aspect, m_camera.perspective_nearz + (m_camera.perspective_farz - m_camera.perspective_nearz) * shadowMinDepths[m_cShadowBuffers - 1][iShadow], m_camera.perspective_nearz + (m_camera.perspective_farz - m_camera.perspective_nearz) * shadowMaxDepths[m_cShadowBuffers - 1][iShadow]);
shadowmvpmatrix[iShadow] = frustrumSliceVolume.calcShadowProj(pScene, sun_yaw, sun_pitch);
}
shadowmvpmatrix[iShadow] = newShadowMVP;
[self renderShadowBufferNumber: iShadow ForScene: pScene];
break;
}
}