client: render: fixed calculation errors in R_SetupProjectionMatrix

SNMetamorph · SNMetamorph · commit 276f240fbefd · 2025-10-26T20:31:28.000+04:00
diff --git a/client/render/gl_rmain.cpp b/client/render/gl_rmain.cpp
@@ -819,8 +819,8 @@ void R_SetupProjectionMatrix( float fov_x, float fov_y, matrix4x4 &m, float z_ne
 	GLdouble	xMax, yMax, zFar;
 
 	zFar = Q_max( 256.0, RI->view.farClip );
-	xMax = Z_NEAR * tan( fov_x * M_PI / 360.0 );
-	yMax = Z_NEAR * tan( fov_y * M_PI / 360.0 );
+	xMax = z_near * tan( fov_x * M_PI / 360.0 );
+	yMax = z_near * tan( fov_y * M_PI / 360.0 );
 
 	m.CreateProjection( xMax, -xMax, yMax, -yMax, z_near, zFar );
 }

Original file line number	Diff line number	Diff line change
`@@ -819,8 +819,8 @@ void R_SetupProjectionMatrix( float fov_x, float fov_y, matrix4x4 &m, float z_ne`
`819`	`819`	`GLdouble xMax, yMax, zFar;`
`820`	`820`
`821`	`821`	`zFar = Q_max( 256.0, RI->view.farClip );`
`822`		`- xMax = Z_NEAR * tan( fov_x * M_PI / 360.0 );`
`823`		`- yMax = Z_NEAR * tan( fov_y * M_PI / 360.0 );`
	`822`	`+ xMax = z_near * tan( fov_x * M_PI / 360.0 );`
	`823`	`+ yMax = z_near * tan( fov_y * M_PI / 360.0 );`
`824`	`824`
`825`	`825`	`m.CreateProjection( xMax, -xMax, yMax, -yMax, z_near, zFar );`
`826`	`826`	`}`