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/*******************************************************************************************
*
* raylib [core] example - Scissor test
*
* This example has been created using raylib 2.5 (www.raylib.com)
* raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
*
* Example contributed by Chris Dill (@MysteriousSpace) and reviewed by Ramon Santamaria (@raysan5)
*
* Copyright (c) 2019 Chris Dill (@MysteriousSpace)
*
********************************************************************************************/
#include "raylib.h"
int main(void)
{
// Initialization
//--------------------------------------------------------------------------------------
const int screenWidth = 800;
const int screenHeight = 450;
InitWindow(screenWidth, screenHeight, "raylib [core] example - scissor test");
Rectangle scissorArea = { 0, 0, 300, 300 };
bool scissorMode = true;
SetTargetFPS(60); // Set our game to run at 60 frames-per-second
//--------------------------------------------------------------------------------------
// Main game loop
while (!WindowShouldClose()) // Detect window close button or ESC key
{
// Update
//----------------------------------------------------------------------------------
if (IsKeyPressed(KEY_S)) scissorMode = !scissorMode;
// Centre the scissor area around the mouse position
scissorArea.x = GetMouseX() - scissorArea.width/2;
scissorArea.y = GetMouseY() - scissorArea.height/2;
//----------------------------------------------------------------------------------
// Draw
//----------------------------------------------------------------------------------
BeginDrawing();
ClearBackground(RAYWHITE);
if (scissorMode) BeginScissorMode(scissorArea.x, scissorArea.y, scissorArea.width, scissorArea.height);
// Draw full screen rectangle and some text
// NOTE: Only part defined by scissor area will be rendered
DrawRectangle(0, 0, GetScreenWidth(), GetScreenHeight(), RED);
DrawText("Move the mouse around to reveal this text!", 190, 200, 20, LIGHTGRAY);
if (scissorMode) EndScissorMode();
DrawRectangleLinesEx(scissorArea, 1, BLACK);
DrawText("Press S to toggle scissor test", 10, 10, 20, BLACK);
EndDrawing();
//----------------------------------------------------------------------------------
}
// De-Initialization
//--------------------------------------------------------------------------------------
CloseWindow(); // Close window and OpenGL context
//--------------------------------------------------------------------------------------
return 0;
}
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