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examples/models/models_box_collisions.py

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+# /*******************************************************************************************
+# *
+# *   raylib [models] example - Detect basic 3d collisions (box vs sphere vs box)
+# *
+# *   This example has been created using raylib 1.3 (www.raylib.com)
+# *   raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
+# *
+# *   Copyright (c) 2015 Ramon Santamaria (@raysan5)
+# *
+# ********************************************************************************************/
+
+from raylib import *
+
+# Initialization
+# --------------------------------------------------------------------------------------
+screenWidth = 800
+screenHeight = 450
+
+InitWindow(screenWidth, screenHeight, b"raylib [models] example - box collisions")
+
+# Define the camera to look into our 3d world
+camera = [[0.0, 10.0, 10.0], [0.0, 0.0, 0.0], [0.0, 1.0, 0.0], 45.0, 0]
+
+playerPositionPtr = ffi.new("struct Vector3 *", [0.0, 1.0, 2.0])
+playerPosition = playerPositionPtr[0]
+
+playerSizePtr = ffi.new("struct Vector3 *", [1.0, 2.0, 1.0])
+playerSize = playerSizePtr[0]
+playerColor = GREEN
+
+enemyBoxPosPtr =  ffi.new("struct Vector3 *", [-4.0, 1.0, 0.0])
+enemyBoxPos = enemyBoxPosPtr[0]
+enemyBoxSize = ffi.new("struct Vector3 *",[2.0, 2.0, 2.0])
+
+enemySpherePos = [4.0, 0.0, 0.0]
+enemySphereSize = 1.5
+
+collision = False
+
+SetTargetFPS(60)  # Set our game to run at 60 frames-per-second
+# --------------------------------------------------------------------------------------
+
+# Main game loop
+while not WindowShouldClose():  # Detect window close button or ESC key
+    # Update
+    # ----------------------------------------------------------------------------------
+
+    # Move player
+    if IsKeyDown(KEY_RIGHT):
+        playerPosition.x += 0.2
+    elif IsKeyDown(KEY_LEFT):
+        playerPosition.x -= 0.2
+    elif IsKeyDown(KEY_DOWN):
+        playerPosition.z += 0.2
+    elif IsKeyDown(KEY_UP):
+        playerPosition.z -= 0.2
+
+    collision = False
+
+    # Check collisions player vs enemy-box
+    if CheckCollisionBoxes([[playerPosition.x - playerSize.x / 2, playerPosition.y - playerSize.y / 2,
+                             playerPosition.z - playerSize.z / 2],
+                            [playerPosition.x + playerSize.x / 2, playerPosition.y + playerSize.y / 2,
+                             playerPosition.z + playerSize.z / 2]],
+                           [[enemyBoxPos.x - enemyBoxSize.x / 2,
+                             enemyBoxPos.y - enemyBoxSize.y / 2,
+                             enemyBoxPos.z - enemyBoxSize.z / 2],
+                            [enemyBoxPos.x + enemyBoxSize.x / 2,
+                             enemyBoxPos.y + enemyBoxSize.y / 2,
+                             enemyBoxPos.z + enemyBoxSize.z / 2]]):
+        collision = True
+
+        # Check collisions player vs enemy-sphere
+    if CheckCollisionBoxSphere([[playerPosition.x - playerSize.x / 2,
+                                 playerPosition.y - playerSize.y / 2,
+                                 playerPosition.z - playerSize.z / 2],
+                                [playerPosition.x + playerSize.x / 2,
+                                 playerPosition.y + playerSize.y / 2,
+                                 playerPosition.z + playerSize.z / 2]],
+                               enemySpherePos, enemySphereSize):
+        collision = True
+
+    if collision:
+        playerColor = RED
+    else:
+        playerColor = GREEN
+
+    # ----------------------------------------------------------------------------------
+
+    # Draw
+    # ----------------------------------------------------------------------------------
+    BeginDrawing()
+
+    ClearBackground(RAYWHITE)
+
+    BeginMode3D(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
+
+    EndMode3D()
+
+    DrawText(b"Move player with cursors to collide", 220, 40, 20, GRAY)
+
+    DrawFPS(10, 10)
+
+    EndDrawing()
+    # ----------------------------------------------------------------------------------
+
+
+        # De-Initialization
+        # --------------------------------------------------------------------------------------
+CloseWindow()  # Close window and OpenGL context
+        # --------------------------------------------------------------------------------------