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Point lights now fully functional with deferred lighting

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--HG--
extra : convert_revision : svn%3A7752d6cf-9f14-4ad2-affc-04f1e67b81a5/trunk%4054
This commit is contained in:
kearwood
2012-04-26 09:06:45 +00:00
parent 167a18f3a7
commit 0594bc0953
25 changed files with 541 additions and 53 deletions
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16
KREngine/KREngine/Classes/KRMat4.cpp
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@@ -108,16 +108,26 @@ KRMat4 KRMat4::operator*(const KRMat4 &m) {
/* Generate a perspective view matrix using a field of view angle fov,
* window aspect ratio, near and far clipping planes */
void KRMat4::perspective(GLfloat fov, GLfloat aspect, GLfloat nearz, GLfloat farz) {
GLfloat range;
range = tan(fov / 2.0f) * nearz;
memset(m_mat, 0, sizeof(GLfloat) * 16);
GLfloat range= tan(fov / 2.0f) * nearz;
m_mat[0] = (2 * nearz) / ((range * aspect) - (-range * aspect));
m_mat[5] = (2 * nearz) / (2 * range);
m_mat[10] = -(farz + nearz) / (farz - nearz);
m_mat[11] = -1;
m_mat[14] = -(2 * farz * nearz) / (farz - nearz);
/*
GLfloat range= atan(fov / 20.0f) * nearz;
GLfloat r = range * aspect;
GLfloat t = range * 1.0;
m_mat[0] = nearz / r;
m_mat[5] = nearz / t;
m_mat[10] = -(farz + nearz) / (farz - nearz);
m_mat[11] = -(2.0 * farz * nearz) / (farz - nearz);
m_mat[14] = -1.0;
*/
}
/* Perform translation operations on a matrix */