RENAMED: example: textures_rectangle -> textures_sprite_anim

examples/textures/textures_sprite_anim.c

@@ -0,0 +1,103 @@
+/*******************************************************************************************
+*
+*   raylib [textures] example - Sprite animation
+*
+*   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 - sprite anim");
+
+    // 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;
+        }
+
+        // Control frames speed
+        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;
+}