mirror of https://github.com/raysan5/raylib
Reviewed example: core_split_screen
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Ray
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*
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* raylib [core] example - split screen
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*
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* Welcome to raylib!
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*
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* To test examples, just press F6 and execute raylib_compile_execute script
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* Note that compiled executable is placed in the same folder as .c file
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*
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* You can find all basic examples on C:\raylib\raylib\examples folder or
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* raylib official webpage: www.raylib.com
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*
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* Enjoy using raylib. :)
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*
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* This example has been created using raylib 3.7 (www.raylib.com)
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* raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
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*
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* Copyright (c) 2013-2016 Ramon Santamaria (@raysan5)
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* Example contributed by Jeffery Myers (@JeffM2501) and reviewed by Ramon Santamaria (@raysan5)
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*
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* Copyright (c) 2021 Jeffery Myers (@JeffM2501)
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*
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********************************************************************************************/
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#include "raylib.h"
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Texture2D GridTexture;
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Camera Player1Camera = { 0 };
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Camera Player2Camera = { 0 };
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Texture2D textureGrid = { 0 };
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Camera cameraPlayer1 = { 0 };
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Camera cameraPlayer2 = { 0 };
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void DrawScene()
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// Scene drawing
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void DrawScene(void)
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{
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// grid of cube trees on a plane to make a "world"
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DrawPlane((Vector3){ 0, 0, 0 }, (Vector2){ 50, 50 }, BEIGE); // simple world plane
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float spacing = 4;
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int count = 5;
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float spacing = 4;
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// Grid of cube trees on a plane to make a "world"
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DrawPlane((Vector3){ 0, 0, 0 }, (Vector2){ 50, 50 }, BEIGE); // Simple world plane
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for (float x = -count * spacing; x <= count * spacing; x += spacing)
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for (float x = -count*spacing; x <= count*spacing; x += spacing)
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{
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for (float z = -count * spacing; z <= count * spacing; z += spacing)
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for (float z = -count*spacing; z <= count*spacing; z += spacing)
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{
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Vector3 pos = { x, 0.5f, z };
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Vector3 min = { x - 0.5f,0,z - 0.5f };
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Vector3 max = { x + 0.5f,1,z + 0.5f };
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DrawCubeTexture(GridTexture, (Vector3) { x, 1.5f, z }, 1, 1, 1, GREEN);
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DrawCubeTexture(GridTexture, (Vector3) { x, 0.5f, z }, 0.25f, 1, 0.25f, BROWN);
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DrawCubeTexture(textureGrid, (Vector3) { x, 1.5f, z }, 1, 1, 1, GREEN);
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DrawCubeTexture(textureGrid, (Vector3) { x, 0.5f, z }, 0.25f, 1, 0.25f, BROWN);
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}
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}
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// draw a cube at each player's position
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DrawCube(Player1Camera.position, 1, 1, 1, RED);
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DrawCube(Player2Camera.position, 1, 1, 1, BLUE);
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// Draw a cube at each player's position
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DrawCube(cameraPlayer1.position, 1, 1, 1, RED);
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DrawCube(cameraPlayer2.position, 1, 1, 1, BLUE);
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}
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int main(void)
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@ -59,101 +48,106 @@ int main(void)
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const int screenHeight = 450;
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InitWindow(screenWidth, screenHeight, "raylib [core] example - split screen");
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SetTargetFPS(60); // Set our game to run at 60 frames-per-second
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// generate a simple texture to use for trees
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// Generate a simple texture to use for trees
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Image img = GenImageChecked(256, 256, 32, 32, DARKGRAY, WHITE);
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GridTexture = LoadTextureFromImage(img);
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textureGrid = LoadTextureFromImage(img);
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UnloadImage(img);
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SetTextureFilter(GridTexture, TEXTURE_FILTER_ANISOTROPIC_16X);
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SetTextureWrap(GridTexture, TEXTURE_WRAP_CLAMP);
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SetTextureFilter(textureGrid, TEXTURE_FILTER_ANISOTROPIC_16X);
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SetTextureWrap(textureGrid, TEXTURE_WRAP_CLAMP);
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// Setup player 1 camera and screen
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cameraPlayer1.fovy = 45.0f;
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cameraPlayer1.up.y = 1.0f;
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cameraPlayer1.target.y = 1.0f;
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cameraPlayer1.position.z = -3.0f;
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cameraPlayer1.position.y = 1.0f;
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// setup player 1 camera and screen
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Player1Camera.fovy = 45;
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Player1Camera.up.y = 1;
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Player1Camera.target.y = 1;
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Player1Camera.position.z = -3;
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Player1Camera.position.y = 1;
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RenderTexture screenPlayer1 = LoadRenderTexture(screenWidth/2, screenHeight);
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RenderTexture player1Screen = LoadRenderTexture(screenWidth / 2, screenHeight);
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// Setup player two camera and screen
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cameraPlayer2.fovy = 45.0f;
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cameraPlayer2.up.y = 1.0f;
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cameraPlayer2.target.y = 3.0f;
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cameraPlayer2.position.x = -3.0f;
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cameraPlayer2.position.y = 3.0f;
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// setup player two camera and screen
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Player2Camera.fovy = 45;
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Player2Camera.up.y = 1;
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Player2Camera.target.y =3;
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Player2Camera.position.x = -3;
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Player2Camera.position.y = 3;
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RenderTexture player2Screen = LoadRenderTexture(screenWidth / 2, screenHeight);
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RenderTexture screenPlayer2 = LoadRenderTexture(screenWidth / 2, screenHeight);
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// build a flipped rectangle the size of the split view to use for drawing later
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Rectangle splitScreenRect = { 0,0, (float)player1Screen.texture.width, (float)-player1Screen.texture.height };
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// Build a flipped rectangle the size of the split view to use for drawing later
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Rectangle splitScreenRect = { 0.0f, 0.0f, (float)screenPlayer1.texture.width, (float)-screenPlayer1.texture.height };
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SetTargetFPS(60); // Set our game to run at 60 frames-per-second
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//--------------------------------------------------------------------------------------
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// Main game loop
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while (!WindowShouldClose()) // Detect window close button or ESC key
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{
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// if anyone moves this frame, how far will they move based on the time since the last frame
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// Update
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//----------------------------------------------------------------------------------
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// If anyone moves this frame, how far will they move based on the time since the last frame
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// this moves thigns at 10 world units per second, regardless of the actual FPS
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float offsetThisFrame = 10 * GetFrameTime();
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float offsetThisFrame = 10.0f*GetFrameTime();
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// move player 1 forward and backwards (no turning)
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// Move player 1 forward and backwards (no turning)
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if (IsKeyDown(KEY_W))
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{
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Player1Camera.position.z += offsetThisFrame;
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Player1Camera.target.z += offsetThisFrame;
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cameraPlayer1.position.z += offsetThisFrame;
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cameraPlayer1.target.z += offsetThisFrame;
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}
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else if (IsKeyDown(KEY_S))
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{
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Player1Camera.position.z -= offsetThisFrame;
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Player1Camera.target.z -= offsetThisFrame;
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cameraPlayer1.position.z -= offsetThisFrame;
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cameraPlayer1.target.z -= offsetThisFrame;
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}
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// move player 2 forward and backwards (no turning)
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// Move player 2 forward and backwards (no turning)
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if (IsKeyDown(KEY_UP))
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{
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Player2Camera.position.x += offsetThisFrame;
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Player2Camera.target.x += offsetThisFrame;
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cameraPlayer2.position.x += offsetThisFrame;
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cameraPlayer2.target.x += offsetThisFrame;
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}
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else if (IsKeyDown(KEY_DOWN))
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{
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Player2Camera.position.x -= offsetThisFrame;
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Player2Camera.target.x -= offsetThisFrame;
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cameraPlayer2.position.x -= offsetThisFrame;
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cameraPlayer2.target.x -= offsetThisFrame;
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}
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//----------------------------------------------------------------------------------
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// draw player 1's view to the render texture
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BeginTextureMode(player1Screen);
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ClearBackground(SKYBLUE);
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BeginMode3D(Player1Camera);
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DrawScene();
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EndMode3D();
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DrawText("PLAYER1 W/S to move", 0, 0, 20, RED);
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// Draw
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//----------------------------------------------------------------------------------
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// Draw player 1's view to the render texture
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BeginTextureMode(screenPlayer1);
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ClearBackground(SKYBLUE);
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BeginMode3D(cameraPlayer1);
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DrawScene();
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EndMode3D();
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DrawText("PLAYER1 W/S to move", 0, 0, 20, RED);
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EndTextureMode();
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// draw player 2's view to the render texture
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BeginTextureMode(player2Screen);
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ClearBackground(SKYBLUE);
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BeginMode3D(Player2Camera);
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DrawScene();
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EndMode3D();
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DrawText("PLAYER2 UP/DOWN to move", 0, 0, 20, BLUE);
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// Draw player 2's view to the render texture
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BeginTextureMode(screenPlayer2);
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ClearBackground(SKYBLUE);
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BeginMode3D(cameraPlayer2);
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DrawScene();
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EndMode3D();
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DrawText("PLAYER2 UP/DOWN to move", 0, 0, 20, BLUE);
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EndTextureMode();
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// draw both view render textures to the screen side by side
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// Draw both view render textures to the screen side by side
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BeginDrawing();
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ClearBackground(BLACK);
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DrawTextureRec(player1Screen.texture, splitScreenRect, (Vector2) { 0, 0 }, WHITE);
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DrawTextureRec(player2Screen.texture, splitScreenRect, (Vector2) { screenWidth/2.0f, 0 }, WHITE);
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ClearBackground(BLACK);
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DrawTextureRec(screenPlayer1.texture, splitScreenRect, (Vector2) { 0, 0 }, WHITE);
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DrawTextureRec(screenPlayer2.texture, splitScreenRect, (Vector2) { screenWidth/2.0f, 0 }, WHITE);
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EndDrawing();
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}
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UnloadRenderTexture(player1Screen);
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UnloadRenderTexture(player2Screen);
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UnloadTexture(GridTexture);
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// De-Initialization
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//--------------------------------------------------------------------------------------
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UnloadRenderTexture(screenPlayer1);
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UnloadRenderTexture(screenPlayer2);
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UnloadTexture(textureGrid);
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CloseWindow(); // Close window and OpenGL context
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//--------------------------------------------------------------------------------------
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