AstralTransRocketries/ClassiCube
1
0
Fork 0
mirror of https://github.com/ClassiCube/ClassiCube.git synced 2025-09-16 19:15:14 -04:00
Code Issues Packages Projects Releases Wiki Activity

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

Browse Source
This commit is contained in:
UnknownShadow200 2020-12-07 06:47:54 +11:00
parent 15dcbaf353
commit 72b354b16a
1 changed files with 2 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
src/Graphics.c
View File

@ -922,11 +922,12 @@ void Gfx_CalcOrthoMatrix(float width, float height, struct Matrix* matrix) {
matrix->Row2.Z = 1.0f / (ORTHO_NEAR - ORTHO_FAR); matrix->Row2.Z = 1.0f / (ORTHO_NEAR - ORTHO_FAR);
matrix->Row3.Z = ORTHO_NEAR / (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) { 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) */ /* 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 */ /* 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 */ /* 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); Matrix_PerspectiveFieldOfView(matrix, fov, aspect, zNear, zFar);
/* Adjust the projection matrix to produce reversed Z values */ /* Adjust the projection matrix to produce reversed Z values */