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.
92 lines
4.1 KiB
92 lines
4.1 KiB
/*******************************************************************************************
|
|
*
|
|
* raylib [textures] example - Background scrolling
|
|
*
|
|
* Example originally created with raylib 2.0, last time updated with raylib 2.5
|
|
*
|
|
* 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) 2019-2024 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 [textures] example - background scrolling");
|
|
|
|
// NOTE: Be careful, background width must be equal or bigger than screen width
|
|
// if not, texture should be draw more than two times for scrolling effect
|
|
Texture2D background = LoadTexture("resources/cyberpunk_street_background.png");
|
|
Texture2D midground = LoadTexture("resources/cyberpunk_street_midground.png");
|
|
Texture2D foreground = LoadTexture("resources/cyberpunk_street_foreground.png");
|
|
|
|
float scrollingBack = 0.0f;
|
|
float scrollingMid = 0.0f;
|
|
float scrollingFore = 0.0f;
|
|
|
|
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
|
|
//----------------------------------------------------------------------------------
|
|
scrollingBack -= 0.1f;
|
|
scrollingMid -= 0.5f;
|
|
scrollingFore -= 1.0f;
|
|
|
|
// NOTE: Texture is scaled twice its size, so it sould be considered on scrolling
|
|
if (scrollingBack <= -background.width*2) scrollingBack = 0;
|
|
if (scrollingMid <= -midground.width*2) scrollingMid = 0;
|
|
if (scrollingFore <= -foreground.width*2) scrollingFore = 0;
|
|
//----------------------------------------------------------------------------------
|
|
|
|
// Draw
|
|
//----------------------------------------------------------------------------------
|
|
BeginDrawing();
|
|
|
|
ClearBackground(GetColor(0x052c46ff));
|
|
|
|
// Draw background image twice
|
|
// NOTE: Texture is scaled twice its size
|
|
DrawTextureEx(background, (Vector2){ scrollingBack, 20 }, 0.0f, 2.0f, WHITE);
|
|
DrawTextureEx(background, (Vector2){ background.width*2 + scrollingBack, 20 }, 0.0f, 2.0f, WHITE);
|
|
|
|
// Draw midground image twice
|
|
DrawTextureEx(midground, (Vector2){ scrollingMid, 20 }, 0.0f, 2.0f, WHITE);
|
|
DrawTextureEx(midground, (Vector2){ midground.width*2 + scrollingMid, 20 }, 0.0f, 2.0f, WHITE);
|
|
|
|
// Draw foreground image twice
|
|
DrawTextureEx(foreground, (Vector2){ scrollingFore, 70 }, 0.0f, 2.0f, WHITE);
|
|
DrawTextureEx(foreground, (Vector2){ foreground.width*2 + scrollingFore, 70 }, 0.0f, 2.0f, WHITE);
|
|
|
|
DrawText("BACKGROUND SCROLLING & PARALLAX", 10, 10, 20, RED);
|
|
DrawText("(c) Cyberpunk Street Environment by Luis Zuno (@ansimuz)", screenWidth - 330, screenHeight - 20, 10, RAYWHITE);
|
|
|
|
EndDrawing();
|
|
//----------------------------------------------------------------------------------
|
|
}
|
|
|
|
// De-Initialization
|
|
//--------------------------------------------------------------------------------------
|
|
UnloadTexture(background); // Unload background texture
|
|
UnloadTexture(midground); // Unload midground texture
|
|
UnloadTexture(foreground); // Unload foreground texture
|
|
|
|
CloseWindow(); // Close window and OpenGL context
|
|
//--------------------------------------------------------------------------------------
|
|
|
|
return 0;
|
|
}
|