/// <summary> Creates an array of sub-textures from texture atlas where sub-images are aligned in a grid pattern</summary>
/// <param name="texture">Texture atlas</param>
/// <param name="elementWidth">Width of a single element in the grid</param>
/// <param name="elementHeight">Height of a single element in the grid</param>
/// <param name="elementCount">Number of elements in the grid</param>
public static SubTexture[] CreateFromGrid(Texture2D texture, int elementWidth, int elementHeight, int elementCount)
{
if (elementCount <= 0)
{
throw new ArgumentOutOfRangeException("Invalid number of elements");
}
SubTexture[] subTextures = new SubTexture[elementCount];
for (int i = 0; i < elementCount; i++)
{
int x = (i * elementWidth) % texture.width;
int y = ((i * elementWidth) / texture.width) * elementHeight;
subTextures[i] = new SubTexture(texture, new Rectangle(x, y, elementWidth, elementHeight));
}
return(subTextures);
}
public void Draw(SubTexture subTexture, Rectangle rect, float rotation, Color color)
{
spriteBatch.Add(new Sprite(subTexture.texture, new Int2(rect.x, rect.y), new Int2(rect.width, rect.height),
rotation, rect.width / 2.0f, rect.height / 2.0f, subTexture.sourceRect, color));
}
public void Draw(SubTexture subTexture, Int2 pos, float rotation, Color color)
{
spriteBatch.Add(new Sprite(subTexture.texture, pos, new Int2(subTexture.sourceRect.width, subTexture.sourceRect.height),
rotation, subTexture.texture.width / 2.0f, subTexture.texture.height / 2.0f, subTexture.sourceRect, color));
}
public void Draw(SubTexture subTexture, Int2 pos, Color color)
{
spriteBatch.Add(new Sprite(subTexture.texture, pos, new Int2(subTexture.sourceRect.width, subTexture.sourceRect.height),
subTexture.sourceRect, color));
}