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authorraysan5 <[email protected]>2021-10-17 21:02:18 +0200
committerraysan5 <[email protected]>2021-10-17 21:02:18 +0200
commit35e67da08e3d214589968c19b4b2fb31d8e566cc (patch)
tree5054bcea5f6df754f467590101789b17dd9d9944 /examples/web/shaders/shaders_shapes_textures.c
parentb2228039039afc05c41edd12103123f2a36c8080 (diff)
downloadraylib.com-35e67da08e3d214589968c19b4b2fb31d8e566cc.tar.gz
raylib.com-35e67da08e3d214589968c19b4b2fb31d8e566cc.zip
UPDATED: examples to raylib 4.0
Some new examples added
Diffstat (limited to 'examples/web/shaders/shaders_shapes_textures.c')
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diff --git a/examples/web/shaders/shaders_shapes_textures.c b/examples/web/shaders/shaders_shapes_textures.c
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-/*******************************************************************************************
-*
-* raylib [shaders] example - Apply a shader to some shape or texture (adapted for HTML5 platform)
-*
-* NOTE: This example requires raylib OpenGL 3.3 or ES2 versions for shaders support,
-* OpenGL 1.1 does not support shaders, recompile raylib to OpenGL 3.3 version.
-*
-* NOTE: Shaders used in this example are #version 330 (OpenGL 3.3), to test this example
-* on OpenGL ES 2.0 platforms (Android, Raspberry Pi, HTML5), use #version 100 shaders
-* raylib comes with shaders ready for both versions, check raylib/shaders install folder
-*
-* This example has been created using raylib 1.7 (www.raylib.com)
-* raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
-*
-* Copyright (c) 2015 Ramon Santamaria (@raysan5)
-*
-********************************************************************************************/
-
-#include "raylib.h"
-
-#if defined(PLATFORM_WEB)
- #include <emscripten/emscripten.h>
-#endif
-
-#if defined(PLATFORM_DESKTOP)
- #define GLSL_VERSION 330
-#else // PLATFORM_RPI, PLATFORM_ANDROID, PLATFORM_WEB
- #define GLSL_VERSION 100
-#endif
-
-//----------------------------------------------------------------------------------
-// Global Variables Definition
-//----------------------------------------------------------------------------------
-const int screenWidth = 800;
-const int screenHeight = 450;
-
-Texture2D fudesumi = { 0 };
-Shader shader = { 0 };
-
-//----------------------------------------------------------------------------------
-// Module Functions Declaration
-//----------------------------------------------------------------------------------
-void UpdateDrawFrame(void); // Update and Draw one frame
-
-//----------------------------------------------------------------------------------
-// Program Main Entry Point
-//----------------------------------------------------------------------------------
-int main(void)
-{
- // Initialization
- //--------------------------------------------------------------------------------------
- InitWindow(screenWidth, screenHeight, "raylib [shaders] example - shapes and texture shaders");
-
- fudesumi = LoadTexture("resources/fudesumi.png");
-
- // Load shader to be used on some parts drawing
- // NOTE 1: Using GLSL 330 shader version, on OpenGL ES 2.0 use GLSL 100 shader version
- // NOTE 2: Defining 0 (NULL) for vertex shader forces usage of internal default vertex shader
- shader = LoadShader(0, TextFormat("resources/shaders/glsl%i/grayscale.fs", GLSL_VERSION));
-
- // Shader usage is also different than models/postprocessing, shader is just activated when required
-
-#if defined(PLATFORM_WEB)
- emscripten_set_main_loop(UpdateDrawFrame, 60, 1);
-#else
- SetTargetFPS(60); // Set our game to run at 60 frames-per-second
- //--------------------------------------------------------------------------------------
-
- // Main game loop
- while (!WindowShouldClose()) // Detect window close button or ESC key
- {
- UpdateDrawFrame();
- }
-#endif
-
- // De-Initialization
- //--------------------------------------------------------------------------------------
- UnloadShader(shader); // Unload shader
- UnloadTexture(fudesumi); // Unload texture
-
- CloseWindow(); // Close window and OpenGL context
- //--------------------------------------------------------------------------------------
-
- return 0;
-}
-
-//----------------------------------------------------------------------------------
-// Module Functions Definition
-//----------------------------------------------------------------------------------
-void UpdateDrawFrame(void)
-{
- // Update
- //----------------------------------------------------------------------------------
- // TODO: Update your variables here
- //----------------------------------------------------------------------------------
-
- // Draw
- //----------------------------------------------------------------------------------
- BeginDrawing();
-
- ClearBackground(RAYWHITE);
-
- // Start drawing with default shader
-
- DrawText("USING DEFAULT SHADER", 20, 40, 10, RED);
-
- DrawCircle(80, 120, 35, DARKBLUE);
- DrawCircleGradient(80, 220, 60, GREEN, SKYBLUE);
- DrawCircleLines(80, 340, 80, DARKBLUE);
-
-
- // Activate our custom shader to be applied on next shapes/textures drawings
- BeginShaderMode(shader);
-
- DrawText("USING CUSTOM SHADER", 190, 40, 10, RED);
-
- DrawRectangle(250 - 60, 90, 120, 60, RED);
- DrawRectangleGradientH(250 - 90, 170, 180, 130, MAROON, GOLD);
- DrawRectangleLines(250 - 40, 320, 80, 60, ORANGE);
-
- // Activate our default shader for next drawings
- EndShaderMode();
-
- DrawText("USING DEFAULT SHADER", 370, 40, 10, RED);
-
- DrawTriangle((Vector2){430, 80},
- (Vector2){430 - 60, 150},
- (Vector2){430 + 60, 150}, VIOLET);
-
- DrawTriangleLines((Vector2){430, 160},
- (Vector2){430 - 20, 230},
- (Vector2){430 + 20, 230}, DARKBLUE);
-
- DrawPoly((Vector2){430, 320}, 6, 80, 0, BROWN);
-
- // Activate our custom shader to be applied on next shapes/textures drawings
- BeginShaderMode(shader);
-
- DrawTexture(fudesumi, 500, -30, WHITE); // Using custom shader
-
- // Activate our default shader for next drawings
- EndShaderMode();
-
- DrawText("(c) Fudesumi sprite by Eiden Marsal", 380, screenHeight - 20, 10, GRAY);
- EndDrawing();
- //----------------------------------------------------------------------------------
-} \ No newline at end of file