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Fix accidentally reintroducing clipping problems with high FOV (Thanks Cheesse)

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UnknownShadow200 2020-12-07 06:47:54 +11:00
parent 15dcbaf353
commit 72b354b16a
1 changed files with 2 additions and 1 deletions
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src/Graphics.c
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@ -922,11 +922,12 @@ void Gfx_CalcOrthoMatrix(float width, float height, struct Matrix* matrix) {
matrix->Row2.Z = 1.0f / (ORTHO_NEAR - ORTHO_FAR);
matrix->Row3.Z = ORTHO_NEAR / (ORTHO_NEAR - ORTHO_FAR);
}
void Gfx_CalcPerspectiveMatrix(float fov, float aspect, float zFar, struct Matrix* matrix) {
/* With reversed z depth, near Z plane can be much closer (with sufficient depth buffer precision) */
/* This reduces clipping with high FOV without sacrificing depth precision for faraway objects */
/* However for low FOV, don't reduce near Z in order to gain a bit more depth precision */
float zNear = (depthBits < 24 || fov <= 70) ? 0.05f : 0.001953125f;
float zNear = (depthBits < 24 || fov <= 70 * MATH_DEG2RAD) ? 0.05f : 0.001953125f;
Matrix_PerspectiveFieldOfView(matrix, fov, aspect, zNear, zFar);
/* Adjust the projection matrix to produce reversed Z values */