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fix: glu.c changed to float, reordered math

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This commit is contained in:
Hayden Kowalchuk 2020-03-05 14:50:14 -05:00
parent c9dc5f8f8b
commit 651351f087
1 changed files with 2 additions and 2 deletions

4
GL/glu.c
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@ -4,9 +4,9 @@
/* Set the Perspective */ /* Set the Perspective */
void APIENTRY gluPerspective(GLfloat angle, GLfloat aspect, void APIENTRY gluPerspective(GLfloat angle, GLfloat aspect,
GLfloat znear, GLfloat zfar) { GLfloat znear, GLfloat zfar) {
GLdouble fW, fH; GLfloat fW, fH;
fH = tan(angle / 360 * F_PI) * znear; fH = tanf(angle * (F_PI / 360.0f)) * znear;
fW = fH * aspect; fW = fH * aspect;
glFrustum(-fW, fW, -fH, fH, znear, zfar); glFrustum(-fW, fW, -fH, fH, znear, zfar);