added core_split_screen example (#106)

Co-authored-by: “Timfon” <“[email protected]”>

Author: Timfon

examples/core/core_split_screen.py

@@ -0,0 +1,130 @@
+"""
+
+raylib [core] example - Split Screen
+
+"""
+
+from pyray import *
+
+from raylib import (
+    KEY_W,
+    KEY_S,
+    KEY_UP,
+    KEY_DOWN,
+)
+
+cameraPlayer1 = Camera3D([0])
+cameraPlayer2 = Camera3D([0])
+
+def draw_scene():
+    count = 5
+    spacing = 4
+
+    # Grid of cube trees on a plane to make a "world"
+
+    draw_plane(Vector3(0, 0, 0), Vector2(50, 50), BEIGE)
+
+    for x in range(-count*spacing, count*spacing, spacing):
+        for z in range(-count*spacing, count*spacing, spacing):
+            draw_cube(Vector3(x, 1.5, z), 1, 1, 1, LIME)
+            draw_cube(Vector3(x, 0.5, z), 0.25, 1, 0.25, BROWN)
+
+    # Draw a cube at each player's position
+    draw_cube(cameraPlayer1.position, 1, 1, 1, RED)
+    draw_cube(cameraPlayer2.position, 1, 1, 1, BLUE)
+
+# Initialization
+
+screenWidth = 800
+screenHeight = 450
+
+init_window(screenWidth, screenHeight, "raylib [core] example - split screen")
+
+# Setup player 1 camera and screen
+
+cameraPlayer1.fovy = 45.0
+cameraPlayer1.up = Vector3(0,1.0,0) 
+cameraPlayer1.target = Vector3(0,1.0,0)
+cameraPlayer1.position = Vector3(0,1,-3)
+
+screenPlayer1 = load_render_texture(int(screenWidth/2), int(screenHeight))
+
+# Setup player 2 camera and screen
+cameraPlayer2.fovy = 45.0
+cameraPlayer2.up = Vector3(0,1.0,0)
+cameraPlayer2.target = Vector3(0,3.0,0)
+cameraPlayer2.position = Vector3(-3,3,0)
+
+screenPlayer2 = load_render_texture(int(screenWidth / 2), int(screenHeight))
+
+# Build a flipped rectangle the size of the split view to use for drawing later
+splitScreenRect = Rectangle(0.0, 0.0, screenPlayer1.texture.width, -screenPlayer1.texture.height)
+
+set_target_fps(60)              # Set our game to run at 60 frames-per-second
+
+# Main game loop
+while not window_should_close(): # Detect window close button or ESC key
+
+    ''' Update
+     If anyone moves this frame, how far will they move based on the time since the last frame
+     this moves thigns at 10 world units per second, regardless of the actual FPS'''
+
+    offsetThisFrame = 10.0 * get_frame_time()
+
+    # Move Player1 forward and backwards (no turning)
+
+    if is_key_down(KEY_W):
+        cameraPlayer1.position.z += offsetThisFrame
+        cameraPlayer1.target.z += offsetThisFrame
+    
+    elif is_key_down(KEY_S):
+    
+        cameraPlayer1.position.z -= offsetThisFrame
+        cameraPlayer1.target.z -= offsetThisFrame
+
+    # Move Player2 forward and backwards (no turning)
+    if is_key_down(KEY_UP):
+        cameraPlayer2.position.x += offsetThisFrame
+        cameraPlayer2.target.x += offsetThisFrame
+    
+    elif is_key_down(KEY_DOWN):
+        cameraPlayer2.position
+        cameraPlayer2.position.x -= offsetThisFrame
+        cameraPlayer2.target.x -= offsetThisFrame
+    
+    # Draw Player1 view to the render texture
+    begin_texture_mode(screenPlayer1)
+    clear_background(SKYBLUE)
+    begin_mode_3d(cameraPlayer1)
+    draw_scene()
+    end_mode_3d()
+    draw_text("PLAYER1 W/S to move", 10, 10, 20, RED)
+    end_texture_mode()
+
+    # Draw Player2 view to the render texture
+
+    begin_texture_mode(screenPlayer2)
+    clear_background(SKYBLUE)
+    begin_mode_3d(cameraPlayer2)
+    draw_scene()
+    end_mode_3d()
+    draw_text("PLAYER2 UP/DOWN to move", 10, 10, 20, BLUE)
+    end_texture_mode()
+
+    # Draw both views render textures to the screen side by side
+    begin_drawing()
+    clear_background(BLACK)
+    draw_texture_rec(screenPlayer1.texture, splitScreenRect, Vector2(0,0), WHITE)
+    draw_texture_rec(screenPlayer2.texture, splitScreenRect, Vector2(screenWidth/2.0, 0 ), WHITE)
+    end_drawing()
+
+
+# De-Initialization
+unload_render_texture(screenPlayer1) # Unload render texture
+unload_render_texture(screenPlayer2) # Unload render texture
+
+close_window()
+
+
+
+