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Diffstat (limited to 'examples/models_box_collisions.lua')
| -rw-r--r-- | examples/models_box_collisions.lua | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/examples/models_box_collisions.lua b/examples/models_box_collisions.lua new file mode 100644 index 00000000..f2cbb154 --- /dev/null +++ b/examples/models_box_collisions.lua @@ -0,0 +1,115 @@ +------------------------------------------------------------------------------------------- +-- +-- raylib [models] example - Detect basic 3d collisions (box vs sphere vs box) +-- +-- This example has been created using raylib 1.6 (www.raylib.com) +-- raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details) +-- +-- Copyright (c) 2014-2016 Ramon Santamaria (@raysan5) +-- +------------------------------------------------------------------------------------------- + +-- Initialization +------------------------------------------------------------------------------------------- +local screenWidth = 800 +local screenHeight = 450 + +InitWindow(screenWidth, screenHeight, "raylib [models] example - box collisions") + +-- Define the camera to look into our 3d world +local camera = Camera(Vector3(0.0, 10.0, 10.0), Vector3(0.0, 0.0, 0.0), Vector3(0.0, 1.0, 0.0), 45.0) + +local playerPosition = Vector3(0.0, 1.0, 2.0) +local playerSize = Vector3(1.0, 2.0, 1.0) +local playerColor = GREEN + +local enemyBoxPos = Vector3(-4.0, 1.0, 0.0) +local enemyBoxSize = Vector3(2.0, 2.0, 2.0) + +local enemySpherePos = Vector3(4.0, 0.0, 0.0) +local enemySphereSize = 1.5 + +local collision = false + +SetTargetFPS(60) -- Set our game to run at 60 frames-per-second +------------------------------------------------------------------------------------------- + +-- Main game loop +while not WindowShouldClose() do -- Detect window close button or ESC key + -- Update + --------------------------------------------------------------------------------------- + + -- Move player + if (IsKeyDown(KEY.RIGHT)) then playerPosition.x = playerPosition.x + 0.2f end + elseif (IsKeyDown(KEY.LEFT)) then playerPosition.x = playerPosition.x - 0.2f end + elseif (IsKeyDown(KEY.DOWN)) then playerPosition.z = playerPosition.z + 0.2f end + elseif (IsKeyDown(KEY.UP)) then playerPosition.z = playerPosition.z - 0.2f end + + collision = false + + -- Check collisions player vs enemy-box + if (CheckCollisionBoxes( + BoundingBox(Vector3(playerPosition.x - playerSize.x/2, + playerPosition.y - playerSize.y/2, + playerPosition.z - playerSize.z/2), + Vector3(playerPosition.x + playerSize.x/2, + playerPosition.y + playerSize.y/2, + playerPosition.z + playerSize.z/2)), + BoundingBox(Vector3(enemyBoxPos.x - enemyBoxSize.x/2, + enemyBoxPos.y - enemyBoxSize.y/2, + enemyBoxPos.z - enemyBoxSize.z/2), + Vector3(enemyBoxPos.x + enemyBoxSize.x/2, + enemyBoxPos.y + enemyBoxSize.y/2, + enemyBoxPos.z + enemyBoxSize.z/2))) then collision = true + end + + -- Check collisions player vs enemy-sphere + if (CheckCollisionBoxSphere( + BoundingBox(Vector3(playerPosition.x - playerSize.x/2, + playerPosition.y - playerSize.y/2, + playerPosition.z - playerSize.z/2), + Vector3(playerPosition.x + playerSize.x/2, + playerPosition.y + playerSize.y/2, + playerPosition.z + playerSize.z/2)), + enemySpherePos, enemySphereSize)) then collision = true + end + + if (collision) then playerColor = RED + else playerColor = GREEN end + --------------------------------------------------------------------------------------- + + -- Draw + --------------------------------------------------------------------------------------- + BeginDrawing() + + ClearBackground(RAYWHITE) + + Begin3dMode(camera) + + -- Draw enemy-box + DrawCube(enemyBoxPos, enemyBoxSize.x, enemyBoxSize.y, enemyBoxSize.z, GRAY) + DrawCubeWires(enemyBoxPos, enemyBoxSize.x, enemyBoxSize.y, enemyBoxSize.z, DARKGRAY) + + -- Draw enemy-sphere + DrawSphere(enemySpherePos, enemySphereSize, GRAY) + DrawSphereWires(enemySpherePos, enemySphereSize, 16, 16, DARKGRAY) + + -- Draw player + DrawCubeV(playerPosition, playerSize, playerColor) + + DrawGrid(10, 1.0) -- Draw a grid + + End3dMode() + + DrawText("Move player with cursors to collide", 220, 40, 20, GRAY) + + DrawFPS(10, 10) + + EndDrawing() + --------------------------------------------------------------------------------------- +end + +-- De-Initialization +------------------------------------------------------------------------------------------- +CloseWindow() -- Close window and OpenGL context +-------------------------------------------------------------------------------------------
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