adding the core_scissor_test example

examples/core/core_scissor_test.py

@@ -0,0 +1,65 @@
+"""
+
+raylib [core] example - Scissor Test
+
+"""
+from pyray import *
+from raylib.colors import (
+    RAYWHITE,
+    LIGHTGRAY,
+    RED,
+    BLACK
+)
+from raylib import (
+    KEY_S
+)
+
+# Initialization
+# --------------------------------------------------------------------------------------
+SCREEN_WIDTH = 800
+SCREEN_HEIGHT = 450
+
+init_window(SCREEN_WIDTH, SCREEN_HEIGHT, "raylib [core] example - scissor test")
+
+scissorArea = Rectangle(0, 0, 300, 300)
+scissorMode = True
+
+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 is_key_pressed(KEY_S):
+        scissorMode = not scissorMode
+
+    # Centre the scissor area around the mouse position
+    scissorArea.x = get_mouse_x() - scissorArea.width/2
+    scissorArea.y = get_mouse_y() - scissorArea.height/2
+    # ----------------------------------------------------------------------------------
+
+
+    # Draw
+    # ----------------------------------------------------------------------------------
+    begin_drawing()
+
+    clear_background(RAYWHITE)
+    if scissorMode:
+        begin_scissor_mode(int(scissorArea.x), int(scissorArea.y), int(scissorArea.width), int(scissorArea.height))
+
+    # Draw full screen rectangle and some text
+    # NOTE: Only part defined by scissor area will be rendered
+    draw_rectangle(0, 0, get_screen_width(), get_screen_height(), RED)
+    draw_text("Move the mouse around to reveal this text!", 190, 200, 20, LIGHTGRAY)
+
+    if scissorMode:
+        end_scissor_mode()
+
+    draw_rectangle_lines_ex(scissorArea, 1, BLACK)
+    draw_text("Press S to toggle scissor test", 10, 10, 20, BLACK)
+
+    end_drawing()
+
+# De-Initialization
+close_window()  # Close window and OpenGL context