102 lines
4.0 KiB
C
102 lines
4.0 KiB
C
/*******************************************************************************************
|
|
*
|
|
* raylib [textures] example - Texture loading and drawing a part defined by a rectangle
|
|
*
|
|
* This example has been created using raylib 1.3 (www.raylib.com)
|
|
* raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
|
|
*
|
|
* Copyright (c) 2014 Ramon Santamaria (@raysan5)
|
|
*
|
|
********************************************************************************************/
|
|
|
|
#include "raylib.h"
|
|
|
|
#define MAX_FRAME_SPEED 15
|
|
#define MIN_FRAME_SPEED 1
|
|
|
|
//------------------------------------------------------------------------------------
|
|
// Program main entry point
|
|
//------------------------------------------------------------------------------------
|
|
int main(void)
|
|
{
|
|
// Initialization
|
|
//--------------------------------------------------------------------------------------
|
|
const int screenWidth = 800;
|
|
const int screenHeight = 450;
|
|
|
|
InitWindow(screenWidth, screenHeight, "raylib [texture] example - texture rectangle");
|
|
|
|
// NOTE: Textures MUST be loaded after Window initialization (OpenGL context is required)
|
|
Texture2D scarfy = LoadTexture("resources/scarfy.png"); // Texture loading
|
|
|
|
Vector2 position = { 350.0f, 280.0f };
|
|
Rectangle frameRec = { 0.0f, 0.0f, (float)scarfy.width/6, (float)scarfy.height };
|
|
int currentFrame = 0;
|
|
|
|
int framesCounter = 0;
|
|
int framesSpeed = 8; // Number of spritesheet frames shown by second
|
|
|
|
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
|
|
//----------------------------------------------------------------------------------
|
|
framesCounter++;
|
|
|
|
if (framesCounter >= (60/framesSpeed))
|
|
{
|
|
framesCounter = 0;
|
|
currentFrame++;
|
|
|
|
if (currentFrame > 5) currentFrame = 0;
|
|
|
|
frameRec.x = (float)currentFrame*(float)scarfy.width/6;
|
|
}
|
|
|
|
if (IsKeyPressed(KEY_RIGHT)) framesSpeed++;
|
|
else if (IsKeyPressed(KEY_LEFT)) framesSpeed--;
|
|
|
|
if (framesSpeed > MAX_FRAME_SPEED) framesSpeed = MAX_FRAME_SPEED;
|
|
else if (framesSpeed < MIN_FRAME_SPEED) framesSpeed = MIN_FRAME_SPEED;
|
|
//----------------------------------------------------------------------------------
|
|
|
|
// Draw
|
|
//----------------------------------------------------------------------------------
|
|
BeginDrawing();
|
|
|
|
ClearBackground(RAYWHITE);
|
|
|
|
DrawTexture(scarfy, 15, 40, WHITE);
|
|
DrawRectangleLines(15, 40, scarfy.width, scarfy.height, LIME);
|
|
DrawRectangleLines(15 + (int)frameRec.x, 40 + (int)frameRec.y, (int)frameRec.width, (int)frameRec.height, RED);
|
|
|
|
DrawText("FRAME SPEED: ", 165, 210, 10, DARKGRAY);
|
|
DrawText(TextFormat("%02i FPS", framesSpeed), 575, 210, 10, DARKGRAY);
|
|
DrawText("PRESS RIGHT/LEFT KEYS to CHANGE SPEED!", 290, 240, 10, DARKGRAY);
|
|
|
|
for (int i = 0; i < MAX_FRAME_SPEED; i++)
|
|
{
|
|
if (i < framesSpeed) DrawRectangle(250 + 21*i, 205, 20, 20, RED);
|
|
DrawRectangleLines(250 + 21*i, 205, 20, 20, MAROON);
|
|
}
|
|
|
|
DrawTextureRec(scarfy, frameRec, position, WHITE); // Draw part of the texture
|
|
|
|
DrawText("(c) Scarfy sprite by Eiden Marsal", screenWidth - 200, screenHeight - 20, 10, GRAY);
|
|
|
|
EndDrawing();
|
|
//----------------------------------------------------------------------------------
|
|
}
|
|
|
|
// De-Initialization
|
|
//--------------------------------------------------------------------------------------
|
|
UnloadTexture(scarfy); // Texture unloading
|
|
|
|
CloseWindow(); // Close window and OpenGL context
|
|
//--------------------------------------------------------------------------------------
|
|
|
|
return 0;
|
|
} |