public Atlas(string png, int z_order, float scale_coefficient_ = 1)
{
textures[0] = Textures.loadTexture(png, z_order);
texture = textures[0];
active_texture = 0;
max_textures = 1;
texture.z_order = z_order;
for (int i = 0; i < max_textures; ++i)
{
textures[i].z_order = z_order;
}
Texture2D t = texture.texture();
scale_coefficient = scale_coefficient_;
n_sprites = 1;
sprites = new AtlasSprite[1];
sprites[0].bounds = new Bounds(new Vector2(0.0f, 1.0f), new Vector2(1.0f, 0.0f));
sprites[0].bounds.uv_index = 0;
sprites[0].center = new Vector2(0.5f, 0.5f);
sprites[0].size = new Vector2(t.width, t.height);
}
public Atlas(string png, Vector2 sprite_size, int z_order)
{
textures[0] = Textures.loadTexture(png, z_order);
texture = textures[0];
active_texture = 0;
max_textures = 1;
texture.z_order = z_order;
for (int n = 0; n < max_textures; ++n)
{
textures[n].z_order = z_order;
}
Texture2D t = texture.texture();
Vector2 dimensions = new Vector2(t.width / sprite_size.x, t.height / sprite_size.y);
n_sprites = (int)System.Math.Ceiling(dimensions.x) * (int)System.Math.Ceiling(dimensions.y);
sprites = new AtlasSprite[n_sprites];
Vector2 size = new Vector2(1.0f / dimensions.x, 1.0f / dimensions.y);
int i = 0;
for (int y = 0; y < dimensions.y; ++y)
{
for (int x = 0; x < dimensions.x; ++x)
{
sprites[i].center = new Vector2(0.5f, 0.5f);
sprites[i].size = sprite_size;
sprites[i].bounds = new Bounds(new Vector2(size.x * x * 1.0f, 1.0f - size.y * y * 1.0f),
new Vector2(size.x * ((x + 1) * 1.0f), 1.0f - size.y * ((y + 1) * 1.0f)));
sprites[i].bounds.uv_index = i;
i++;
}
}
}