Adding the core 3d camera mode example

examples/core/core_3d_camera_mode.py

@@ -0,0 +1,51 @@
+"""
+raylib [core] example - 3d camera mode
+adapted from https://github.com/raysan5/raylib/blob/master/examples/core/core_3d_camera_mode.c
+"""
+
+import pyray
+
+# Initialization
+SCREEN_WIDTH = 800
+SCREEN_HEIGHT = 450
+
+pyray.init_window(SCREEN_WIDTH, SCREEN_HEIGHT, "raylib [core] example - 3d camera mode")
+
+# Define the camera to look into our 3d world
+camera = pyray.Camera3D([0])
+camera.position = pyray.Vector3(0.0, 10.0, 10.0)   # Camera position
+camera.target = pyray.Vector3(0.0, 0.0, 0.0)       # Camera looking at point
+camera.up = pyray.Vector3(0.0, 1.0, 0.0)           # Camera up vector (rotation towards target)
+camera.fovy = 45.0                                 # Camera field-of-view Y
+camera.projection = pyray.CAMERA_PERSPECTIVE       # Camera mode type
+
+cube_position = pyray.Vector3(0.0, 0.0, 0.0)
+
+pyray.set_target_fps(60)              
+
+# Main game loop
+while not pyray.window_should_close():
+
+    # Draw
+    pyray.begin_drawing()
+
+    pyray.clear_background(pyray.RAYWHITE)
+
+    pyray.begin_mode_3d(camera)
+
+    pyray.draw_cube(cube_position, 2.0, 2.0, 2.0, pyray.RED)
+    pyray.draw_cube_wires(cube_position, 2.0, 2.0, 2.0, pyray.MAROON)
+
+    pyray.draw_grid(10, 1.0)
+
+    pyray.end_mode_3d()
+
+    pyray.draw_text("Welcome to the third dimension!", 10, 40, 20, pyray.DARKGRAY);
+
+    pyray.draw_fps(10, 10)
+
+    pyray.end_drawing()
+
+# De-Initialization
+pyray.close_window()
+