diff options
Diffstat (limited to 'examples/core_3d_picking.c')
| -rw-r--r-- | examples/core_3d_picking.c | 25 |
1 files changed, 18 insertions, 7 deletions
diff --git a/examples/core_3d_picking.c b/examples/core_3d_picking.c index 2fc05e81..fdf77030 100644 --- a/examples/core_3d_picking.c +++ b/examples/core_3d_picking.c @@ -21,12 +21,18 @@ int main() InitWindow(screenWidth, screenHeight, "raylib [core] example - 3d picking"); // Define the camera to look into our 3d world - Camera camera = {{ 0.0, 10.0, 10.0 }, { 0.0, 0.0, 0.0 }, { 0.0, 1.0, 0.0 }}; + Camera camera; + camera.position = (Vector3){ 0.0f, 10.0f, 10.0f }; // Camera position + camera.target = (Vector3){ 0.0f, 0.0f, 0.0f }; // Camera looking at point + camera.up = (Vector3){ 0.0f, 1.0f, 0.0f }; // Camera up vector (rotation towards target) - Vector3 cubePosition = { 0.0, 1.0, 0.0 }; + Vector3 cubePosition = { 0.0f, 1.0f, 0.0f }; + Vector3 cubeSize = { 2.0f, 2.0f, 2.0f }; Ray ray; // Picking line ray + bool collision = false; + SetCameraMode(CAMERA_FREE); // Set a free camera mode SetCameraPosition(camera.position); // Set internal camera position to match our camera position @@ -45,7 +51,10 @@ int main() // NOTE: This function is NOT WORKING properly! ray = GetMouseRay(GetMousePosition(), camera); - // TODO: Check collision between ray and box + // Check collision between ray and box + collision = CheckCollisionRayBox(ray, + (Vector3){ cubePosition.x - cubeSize.x/2, cubePosition.y - cubeSize.y/2, cubePosition.z - cubeSize.z/2 }, + (Vector3){ cubePosition.x + cubeSize.x/2, cubePosition.y + cubeSize.y/2, cubePosition.z + cubeSize.z/2 }); } //---------------------------------------------------------------------------------- @@ -57,16 +66,18 @@ int main() Begin3dMode(camera); - DrawCube(cubePosition, 2, 2, 2, GRAY); - DrawCubeWires(cubePosition, 2, 2, 2, DARKGRAY); - - DrawGrid(10.0, 1.0); + DrawCube(cubePosition, cubeSize.x, cubeSize.y, cubeSize.z, GRAY); + DrawCubeWires(cubePosition, cubeSize.x, cubeSize.y, cubeSize.z, DARKGRAY); DrawRay(ray, MAROON); + + DrawGrid(10, 1.0f); End3dMode(); DrawText("Try selecting the box with mouse!", 240, 10, 20, GRAY); + + if(collision) DrawText("BOX SELECTED", (screenWidth - MeasureText("BOX SELECTED", 30)) / 2, screenHeight * 0.1f, 30, GREEN); DrawFPS(10, 10); |