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/*******************************************************************************************
*
* raylib [models] example - Drawing billboards
*
* This example has been created using raylib 1.2 (www.raylib.com)
* raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
*
* Copyright (c) 2014 Ramon Santamaria (Ray San - raysan@raysanweb.com)
*
********************************************************************************************/
#include "raylib.h"
int main()
{
// Initialization
//--------------------------------------------------------------------------------------
int screenWidth = 800;
int screenHeight = 450;
InitWindow(screenWidth, screenHeight, "raylib [models] example - drawing billboards");
// Define the camera to look into our 3d world
Camera camera = {{ 10.0, 8.0, 10.0 }, { 0.0, 0.0, 0.0 }, { 0.0, 1.0, 0.0 }};
Texture2D lena = LoadTexture("resources/lena.png"); // Our texture for billboard
Rectangle eyesRec = { 225, 240, 155, 50 }; // Part of the texture to draw
Vector3 billPosition = { 0.0, 0.0, 0.0 }; // Position where draw billboard
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
//----------------------------------------------------------------------------------
if (IsKeyDown(KEY_LEFT)) camera.position.x -= 0.2;
if (IsKeyDown(KEY_RIGHT)) camera.position.x += 0.2;
if (IsKeyDown(KEY_UP)) camera.position.y -= 0.2;
if (IsKeyDown(KEY_DOWN)) camera.position.y += 0.2;
//----------------------------------------------------------------------------------
// Draw
//----------------------------------------------------------------------------------
BeginDrawing();
ClearBackground(RAYWHITE);
Begin3dMode(camera);
//DrawBillboard(camera, lena, billPosition, 1.0, WHITE);
DrawBillboardRec(camera, lena, eyesRec, billPosition, 4.0, WHITE);
DrawGrid(10.0, 1.0); // Draw a grid
End3dMode();
DrawFPS(10, 10);
EndDrawing();
//----------------------------------------------------------------------------------
}
// De-Initialization
//--------------------------------------------------------------------------------------
UnloadTexture(lena); // Unload texture
CloseWindow(); // Close window and OpenGL context
//--------------------------------------------------------------------------------------
return 0;
}
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