swapTexWrap added

src/engine/object/ObjectGlTex.java

@@ -5,6 +5,7 @@ import engine.graphics.Shader;
 import engine.graphics.Texture;
 import engine.graphics.VertexArray;
 import engine.math.Matrix4f;
+import engine.math.Vector3f;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -35,6 +36,23 @@ public class ObjectGlTex extends ObjectGl{
         }
     }
 
+    public void setTextureWrap(float x, float y, float w, float h){
+        int texWidth = this.textures.get(0).getWidth();
+        int texHeight = this.textures.get(0).getHeight();
+        float[] result = {
+                x     / texWidth, y     / texHeight,
+                x + w / texWidth, y     / texHeight,
+                x + w / texWidth, y + h / texHeight,
+                x     / texWidth, y + h / texHeight,
+        };
+        // TODO scaling object
+        this.setTextureWrap(result);
+    }
+
+    public void setTextureWrap(float[] texture){
+        this.vertexArray.swapTextureBufferObject(texture);
+    }
+
     @Override
     public void render() {
         this.shader.enable();