diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/core.c | 20 |
1 files changed, 15 insertions, 5 deletions
@@ -1913,13 +1913,23 @@ void BeginMode3D(Camera3D camera) float aspect = (float)CORE.Window.currentFbo.width/(float)CORE.Window.currentFbo.height; - double top = 0; - if (camera.projection == CAMERA_PERSPECTIVE) top = RL_CULL_DISTANCE_NEAR*tan(camera.fovy*0.5*DEG2RAD); - else if (camera.projection == CAMERA_ORTHOGRAPHIC) top = camera.fovy/2.0; + // NOTE: zNear and zFar values are important when computing depth buffer values + if (camera.projection == CAMERA_PERSPECTIVE) + { + // Setup perspective projection + double top = RL_CULL_DISTANCE_NEAR*tan(camera.fovy*0.5*DEG2RAD); + double right = top*aspect; - rlFrustum(-top*aspect, top*aspect, -top, top, RL_CULL_DISTANCE_NEAR, RL_CULL_DISTANCE_FAR); + rlFrustum(-right, right, -top, top, RL_CULL_DISTANCE_NEAR, RL_CULL_DISTANCE_FAR); + } + else if (camera.projection == CAMERA_ORTHOGRAPHIC) + { + // Setup orthographic projection + double top = camera.fovy/2.0; + double right = top*aspect; - // NOTE: zNear and zFar values are important when computing depth buffer values + rlOrtho(-right, right, -top,top, RL_CULL_DISTANCE_NEAR, RL_CULL_DISTANCE_FAR); + } rlMatrixMode(RL_MODELVIEW); // Switch back to modelview matrix rlLoadIdentity(); // Reset current matrix (modelview) |