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Added collision check between ray and box

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- Added CheckCollisionRayBox() function.
- Updated and improved core 3d picking example (currently working as
expected).
This commit is contained in:
victorfisac 2016-01-07 16:18:24 +01:00
parent 4a637191f2
commit 1793f2c3b8
3 changed files with 32 additions and 3 deletions
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14
examples/core_3d_picking.c
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@ -24,9 +24,12 @@ int main()
Camera camera = {{ 0.0, 10.0, 10.0 }, { 0.0, 0.0, 0.0 }, { 0.0, 1.0, 0.0 }};
Vector3 cubePosition = { 0.0, 1.0, 0.0 };
Vector3 cubeSize = { 2.0, 2.0, 2.0 };
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 +48,10 @@ 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});
}
//----------------------------------------------------------------------------------
@ -57,8 +63,8 @@ int main()
Begin3dMode(camera);
DrawCube(cubePosition, 2, 2, 2, GRAY);
DrawCubeWires(cubePosition, 2, 2, 2, DARKGRAY);
DrawCube(cubePosition, cubeSize.x, cubeSize.y, cubeSize.z, GRAY);
DrawCubeWires(cubePosition, cubeSize.x, cubeSize.y, cubeSize.z, DARKGRAY);
DrawGrid(10.0, 1.0);
@ -67,6 +73,8 @@ int main()
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);