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Update/merge examples back into main repo (#192)

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Chris Dill
2023-08-25 08:08:32 +01:00
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Examples/Core/SplitScreen.cs Normal file
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/*******************************************************************************************
*
* raylib [core] example - split screen
*
* This example has been created using raylib 3.7 (www.raylib.com)
* raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
*
* Example contributed by Jeffery Myers (@JeffM2501) and reviewed by Ramon Santamaria (@raysan5)
*
* Copyright (c) 2021 Jeffery Myers (@JeffM2501)
*
********************************************************************************************/
using System.Numerics;
using static Raylib_cs.Raylib;
namespace Examples.Core;
public unsafe class SplitScreen
{
static Texture2D TextureGrid;
static Camera3D CameraPlayer1;
static Camera3D CameraPlayer2;
// Scene drawing
static void DrawScene()
{
int count = 5;
float spacing = 4;
// Grid of cube trees on a plane to make a "world"
// Simple world plane
DrawPlane(new Vector3(0, 0, 0), new Vector2(50, 50), Color.BEIGE);
for (float x = -count * spacing; x <= count * spacing; x += spacing)
{
for (float z = -count * spacing; z <= count * spacing; z += spacing)
{
DrawCube(new Vector3(x, 1.5f, z), 1, 1, 1, Color.LIME);
DrawCube(new Vector3(x, 0.5f, z), 0.25f, 1, 0.25f, Color.BROWN);
}
}
// Draw a cube at each player's position
DrawCube(CameraPlayer1.Position, 1, 1, 1, Color.RED);
DrawCube(CameraPlayer2.Position, 1, 1, 1, Color.BLUE);
}
public static int Main()
{
// Initialization
//--------------------------------------------------------------------------------------
const int screenWidth = 800;
const int screenHeight = 450;
InitWindow(screenWidth, screenHeight, "raylib [core] example - split screen");
// Generate a simple texture to use for trees
Image img = GenImageChecked(256, 256, 32, 32, Color.DARKGRAY, Color.WHITE);
TextureGrid = LoadTextureFromImage(img);
UnloadImage(img);
SetTextureFilter(TextureGrid, TextureFilter.TEXTURE_FILTER_ANISOTROPIC_16X);
SetTextureWrap(TextureGrid, TextureWrap.TEXTURE_WRAP_CLAMP);
// Setup player 1 camera and screen
CameraPlayer1.FovY = 45.0f;
CameraPlayer1.Up.Y = 1.0f;
CameraPlayer1.Target.Y = 1.0f;
CameraPlayer1.Position.Z = -3.0f;
CameraPlayer1.Position.Y = 1.0f;
RenderTexture2D screenPlayer1 = LoadRenderTexture(screenWidth / 2, screenHeight);
// Setup player two camera and screen
CameraPlayer2.FovY = 45.0f;
CameraPlayer2.Up.Y = 1.0f;
CameraPlayer2.Target.Y = 3.0f;
CameraPlayer2.Position.X = -3.0f;
CameraPlayer2.Position.Y = 3.0f;
RenderTexture2D screenPlayer2 = LoadRenderTexture(screenWidth / 2, screenHeight);
// Build a flipped rectangle the size of the split view to use for drawing later
Rectangle splitScreenRect = new(
0.0f,
0.0f,
(float)screenPlayer1.Texture.Width,
(float)-screenPlayer1.Texture.Height
);
SetTargetFPS(60);
//--------------------------------------------------------------------------------------
// Main game loop
while (!WindowShouldClose())
{
// 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
float offsetThisFrame = 10.0f * GetFrameTime();
// Move Player1 forward and backwards (no turning)
if (IsKeyDown(KeyboardKey.KEY_W))
{
CameraPlayer1.Position.Z += offsetThisFrame;
CameraPlayer1.Target.Z += offsetThisFrame;
}
else if (IsKeyDown(KeyboardKey.KEY_S))
{
CameraPlayer1.Position.Z -= offsetThisFrame;
CameraPlayer1.Target.Z -= offsetThisFrame;
}
// Move Player2 forward and backwards (no turning)
if (IsKeyDown(KeyboardKey.KEY_UP))
{
CameraPlayer2.Position.X += offsetThisFrame;
CameraPlayer2.Target.X += offsetThisFrame;
}
else if (IsKeyDown(KeyboardKey.KEY_DOWN))
{
CameraPlayer2.Position.X -= offsetThisFrame;
CameraPlayer2.Target.X -= offsetThisFrame;
}
//----------------------------------------------------------------------------------
// Draw
//----------------------------------------------------------------------------------
// Draw Player1 view to the render texture
BeginTextureMode(screenPlayer1);
ClearBackground(Color.SKYBLUE);
BeginMode3D(CameraPlayer1);
DrawScene();
EndMode3D();
DrawText("PLAYER 1 W/S to move", 10, 10, 20, Color.RED);
EndTextureMode();
// Draw Player2 view to the render texture
BeginTextureMode(screenPlayer2);
ClearBackground(Color.SKYBLUE);
BeginMode3D(CameraPlayer2);
DrawScene();
EndMode3D();
DrawText("PLAYER 2 UP/DOWN to move", 10, 10, 20, Color.BLUE);
EndTextureMode();
// Draw both views render textures to the screen side by side
BeginDrawing();
ClearBackground(Color.BLACK);
DrawTextureRec(screenPlayer1.Texture, splitScreenRect, new Vector2(0, 0), Color.WHITE);
DrawTextureRec(screenPlayer2.Texture, splitScreenRect, new Vector2(screenWidth / 2.0f, 0), Color.WHITE);
EndDrawing();
}
// De-Initialization
//--------------------------------------------------------------------------------------
UnloadRenderTexture(screenPlayer1);
UnloadRenderTexture(screenPlayer2);
UnloadTexture(TextureGrid);
CloseWindow();
//--------------------------------------------------------------------------------------
return 0;
}
}