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Diffstat (limited to 'deps/raylib/examples/shaders/shaders_model_shader.c')
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1 files changed, 107 insertions, 0 deletions
diff --git a/deps/raylib/examples/shaders/shaders_model_shader.c b/deps/raylib/examples/shaders/shaders_model_shader.c new file mode 100644 index 0000000..9faa2d5 --- /dev/null +++ b/deps/raylib/examples/shaders/shaders_model_shader.c @@ -0,0 +1,107 @@ +/******************************************************************************************* +* +* raylib [shaders] example - Model shader +* +* 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 +* +* Example originally created with raylib 1.3, last time updated with raylib 3.7 +* +* Example licensed under an unmodified zlib/libpng license, which is an OSI-certified, +* BSD-like license that allows static linking with closed source software +* +* Copyright (c) 2014-2024 Ramon Santamaria (@raysan5) +* +********************************************************************************************/ + +#include "raylib.h" + +#if defined(PLATFORM_DESKTOP) + #define GLSL_VERSION 330 +#else // PLATFORM_ANDROID, PLATFORM_WEB + #define GLSL_VERSION 100 +#endif + +//------------------------------------------------------------------------------------ +// Program main entry point +//------------------------------------------------------------------------------------ +int main(void) +{ + // Initialization + //-------------------------------------------------------------------------------------- + const int screenWidth = 800; + const int screenHeight = 450; + + SetConfigFlags(FLAG_MSAA_4X_HINT); // Enable Multi Sampling Anti Aliasing 4x (if available) + + InitWindow(screenWidth, screenHeight, "raylib [shaders] example - model shader"); + + // Define the camera to look into our 3d world + Camera camera = { 0 }; + camera.position = (Vector3){ 4.0f, 4.0f, 4.0f }; // Camera position + camera.target = (Vector3){ 0.0f, 1.0f, -1.0f }; // Camera looking at point + camera.up = (Vector3){ 0.0f, 1.0f, 0.0f }; // Camera up vector (rotation towards target) + camera.fovy = 45.0f; // Camera field-of-view Y + camera.projection = CAMERA_PERSPECTIVE; // Camera projection type + + Model model = LoadModel("resources/models/watermill.obj"); // Load OBJ model + Texture2D texture = LoadTexture("resources/models/watermill_diffuse.png"); // Load model texture + + // Load shader for model + // NOTE: Defining 0 (NULL) for vertex shader forces usage of internal default vertex shader + Shader shader = LoadShader(0, TextFormat("resources/shaders/glsl%i/grayscale.fs", GLSL_VERSION)); + + model.materials[0].shader = shader; // Set shader effect to 3d model + model.materials[0].maps[MATERIAL_MAP_DIFFUSE].texture = texture; // Bind texture to model + + Vector3 position = { 0.0f, 0.0f, 0.0f }; // Set model position + + DisableCursor(); // Limit cursor to relative movement inside the window + 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 + //---------------------------------------------------------------------------------- + UpdateCamera(&camera, CAMERA_FREE); + //---------------------------------------------------------------------------------- + + // Draw + //---------------------------------------------------------------------------------- + BeginDrawing(); + + ClearBackground(RAYWHITE); + + BeginMode3D(camera); + + DrawModel(model, position, 0.2f, WHITE); // Draw 3d model with texture + + DrawGrid(10, 1.0f); // Draw a grid + + EndMode3D(); + + DrawText("(c) Watermill 3D model by Alberto Cano", screenWidth - 210, screenHeight - 20, 10, GRAY); + + DrawFPS(10, 10); + + EndDrawing(); + //---------------------------------------------------------------------------------- + } + + // De-Initialization + //-------------------------------------------------------------------------------------- + UnloadShader(shader); // Unload shader + UnloadTexture(texture); // Unload texture + UnloadModel(model); // Unload model + + CloseWindow(); // Close window and OpenGL context + //-------------------------------------------------------------------------------------- + + return 0; +}
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