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