You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
90 lines
3.8 KiB
90 lines
3.8 KiB
/*******************************************************************************************
|
|
*
|
|
* raylib [models] example - Heightmap loading and drawing
|
|
*
|
|
* Example originally created with raylib 1.8, last time updated with raylib 3.5
|
|
*
|
|
* 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) 2015-2023 Ramon Santamaria (@raysan5)
|
|
*
|
|
********************************************************************************************/
|
|
|
|
#include "raylib.h"
|
|
|
|
//------------------------------------------------------------------------------------
|
|
// Program main entry point
|
|
//------------------------------------------------------------------------------------
|
|
int main(void)
|
|
{
|
|
// Initialization
|
|
//--------------------------------------------------------------------------------------
|
|
const int screenWidth = 800;
|
|
const int screenHeight = 450;
|
|
|
|
InitWindow(screenWidth, screenHeight, "raylib [models] example - heightmap loading and drawing");
|
|
|
|
// Define our custom camera to look into our 3d world
|
|
Camera camera = { 0 };
|
|
camera.position = (Vector3){ 18.0f, 21.0f, 18.0f }; // Camera position
|
|
camera.target = (Vector3){ 0.0f, 0.0f, 0.0f }; // 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
|
|
|
|
Image image = LoadImage("resources/heightmap.png"); // Load heightmap image (RAM)
|
|
Texture2D texture = LoadTextureFromImage(image); // Convert image to texture (VRAM)
|
|
|
|
Mesh mesh = GenMeshHeightmap(image, (Vector3){ 16, 8, 16 }); // Generate heightmap mesh (RAM and VRAM)
|
|
Model model = LoadModelFromMesh(mesh); // Load model from generated mesh
|
|
|
|
model.materials[0].maps[MATERIAL_MAP_DIFFUSE].texture = texture; // Set map diffuse texture
|
|
Vector3 mapPosition = { -8.0f, 0.0f, -8.0f }; // Define model position
|
|
|
|
UnloadImage(image); // Unload heightmap image from RAM, already uploaded to VRAM
|
|
|
|
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_ORBITAL);
|
|
//----------------------------------------------------------------------------------
|
|
|
|
// Draw
|
|
//----------------------------------------------------------------------------------
|
|
BeginDrawing();
|
|
|
|
ClearBackground(RAYWHITE);
|
|
|
|
BeginMode3D(camera);
|
|
|
|
DrawModel(model, mapPosition, 1.0f, RED);
|
|
|
|
DrawGrid(20, 1.0f);
|
|
|
|
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
|
|
//--------------------------------------------------------------------------------------
|
|
|
|
return 0;
|
|
}
|