From aa0f7462ec3cf2f1db7da9dac9f1b8ac2441460a Mon Sep 17 00:00:00 2001
From: faiface <faiface@ksp.sk>
Date: Fri, 13 Jan 2017 01:07:13 +0100
Subject: [PATCH] performance optimizations

---
 graphics.go |  2 +-
 window.go   | 14 +++++++-------
 2 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/graphics.go b/graphics.go
index ccf1af9..b83a595 100644
--- a/graphics.go
+++ b/graphics.go
@@ -78,7 +78,7 @@ func (td *TrianglesData) Position(i int) Vec {
 }
 
 // Color returns the color property of i-th vertex.
-func (td *TrianglesData) Color(i int) color.Color {
+func (td *TrianglesData) Color(i int) NRGBA {
 	return (*td)[i].Color
 }
 
diff --git a/window.go b/window.go
index 8eb9d29..1ee5ba7 100644
--- a/window.go
+++ b/window.go
@@ -414,10 +414,10 @@ func (wt *windowTriangles) resize(len int) {
 func (wt *windowTriangles) updateData(offset int, t Triangles) {
 	if t, ok := t.(TrianglesPosition); ok {
 		for i := offset; i < offset+t.Len(); i++ {
-			pos := t.Position(i)
+			px, py := t.Position(i).XY()
 			wt.data[i][positionVec2] = mgl32.Vec2{
-				float32(pos.X()),
-				float32(pos.Y()),
+				float32(px),
+				float32(py),
 			}
 		}
 	}
@@ -434,10 +434,10 @@ func (wt *windowTriangles) updateData(offset int, t Triangles) {
 	}
 	if t, ok := t.(TrianglesTexture); ok {
 		for i := offset; i < offset+t.Len(); i++ {
-			tex := t.Texture(i)
+			tx, ty := t.Texture(i).XY()
 			wt.data[i][textureVec2] = mgl32.Vec2{
-				float32(tex.X()),
-				float32(tex.Y()),
+				float32(tx),
+				float32(ty),
 			}
 		}
 	}
@@ -484,7 +484,7 @@ func (wt *windowTriangles) Position(i int) Vec {
 	return V(float64(v.X()), float64(v.Y()))
 }
 
-func (wt *windowTriangles) Color(i int) color.Color {
+func (wt *windowTriangles) Color(i int) NRGBA {
 	c := wt.data[i][colorVec4].(mgl32.Vec4)
 	return NRGBA{
 		R: float64(c.X()),