diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/models.c | 20 | ||||
| -rw-r--r-- | src/raylib.h | 1 |
2 files changed, 21 insertions, 0 deletions
diff --git a/src/models.c b/src/models.c index f78be41d..dd170e0b 100644 --- a/src/models.c +++ b/src/models.c @@ -1336,6 +1336,26 @@ bool CheckCollisionBoxSphere(Vector3 minBBox, Vector3 maxBBox, Vector3 centerSph return collision; } +// Detect collision between ray and box +bool CheckCollisionRayBox(Ray ray, Vector3 minBBox, Vector3 maxBBox) +{ + bool collision = false; + + float t[8]; + t[0] = (minBBox.x - ray.position.x) / ray.direction.x; + t[1] = (maxBBox.x - ray.position.x) / ray.direction.x; + t[2] = (minBBox.y - ray.position.y) / ray.direction.y; + t[3] = (maxBBox.y - ray.position.y) / ray.direction.y; + t[4] = (minBBox.z - ray.position.z) / ray.direction.z; + t[5] = (maxBBox.z - ray.position.z) / ray.direction.z; + t[6] = fmax(fmax(fmin(t[0], t[1]), fmin(t[2], t[3])), fmin(t[4], t[5])); + t[7] = fmin(fmin(fmax(t[0], t[1]), fmax(t[2], t[3])), fmax(t[4], t[5])); + + collision = !(t[7] < 0 || t[6] > t[7]); + + return collision; +} + // TODO: Useful function to check collision area? //BoundingBox GetCollisionArea(BoundingBox box1, BoundingBox box2) diff --git a/src/raylib.h b/src/raylib.h index 72211b59..b6900a97 100644 --- a/src/raylib.h +++ b/src/raylib.h @@ -756,6 +756,7 @@ void DrawBillboardRec(Camera camera, Texture2D texture, Rectangle sourceRec, Vec bool CheckCollisionSpheres(Vector3 centerA, float radiusA, Vector3 centerB, float radiusB); // Detect collision between two spheres bool CheckCollisionBoxes(Vector3 minBBox1, Vector3 maxBBox1, Vector3 minBBox2, Vector3 maxBBox2); // Detect collision between two boxes bool CheckCollisionBoxSphere(Vector3 minBBox, Vector3 maxBBox, Vector3 centerSphere, float radiusSphere); // Detect collision between box and sphere +bool CheckCollisionRayBox(Ray ray, Vector3 minBBox, Vector3 maxBBox); // Detect collision between ray and box Vector3 ResolveCollisionCubicmap(Image cubicmap, Vector3 mapPosition, Vector3 *playerPosition, float radius); // Detect collision of player radius with cubicmap // NOTE: Return the normal vector of the impacted surface |