/*******************************************************************************************

*

* raylib [models] example - Heightmap loading and drawing

*

* This example has been created using raylib 1.8 (www.raylib.com)

* raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)

*

* Copyright (c) 2015 Ramon Santamaria (@raysan5)

*

********************************************************************************************/

<?php

include __DIR__ . "/../utils.php";

// Initialization

//--------------------------------------------------------------------------------------

$screenWidth = 800;

$screenHeight = 450;

InitWindow($screenWidth, $screenHeight, "raylib [models] example - heightmap loading and drawing");

// Define our custom camera to look into our 3d world

$position = Vector3(18.0, 16.0, 18.0);

$target = Vector3(0.0, 0.0, 0.0);

$up = Vector3(0.0, 1.0, 0.0);

$fovy = 45;

$camera = Camera3D($position, $target, $up, $fovy, 0);

$image = LoadImage(__DIR__ . "/resources/heightmap.png"); // Load heightmap image (RAM)

$texture = LoadTextureFromImage($image); // Convert image to texture (VRAM)

$mesh = GenMeshHeightmap($image, Vector3(16, 8, 16)); // Generate heightmap mesh (RAM and VRAM)

$model = LoadModelFromMesh($mesh); // Load model from generated mesh

// Set map diffuse texture :(

// model.materials[0].maps[MAP_DIFFUSE].texture = texture;

/// read

SetModelMaterialTexture($model, 0, RL_MAP_ALBEDO, $texture);

$mapPosition = Vector3(-8.0, 0.0, -8.0); // Define model position

UnloadImage($image); // Unload heightmap image from RAM, already uploaded to VRAM

SetCameraMode($camera, RL_CAMERA_ORBITAL); // Set an orbital camera mode

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); // Update camera

//----------------------------------------------------------------------------------

// Draw

//----------------------------------------------------------------------------------

BeginDrawing();

ClearBackground(RAYWHITE());

BeginMode3D($camera);

DrawModel($model, $mapPosition, 1.0, RED());

DrawGrid(20, 1.0);

EndMode3D();

DrawTexture($texture, $screenWidth - $texture->width - 20, 20, WHITE());

DrawRectangleLines($screenWidth - $texture->width - 20, 20, $texture->width, $texture->height, GREEN());

DrawFPS(10, 10);

EndDrawing();

//----------------------------------------------------------------------------------

}

// De-Initialization

//--------------------------------------------------------------------------------------

UnloadTexture($texture); // Unload texture

UnloadModel($model); // Unload model

CloseWindow(); // Close window and OpenGL context