From: Mikko Rasa <tdb@tdb.fi>
Date: Wed, 20 Jun 2018 10:40:17 +0000 (+0300)
Subject: Make grid texture coordinates relative to the grid origin
X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=commitdiff_plain;h=6a9da72d249e6791709b6788a63802cafb7869dc;hp=207da74ff155973509f13d714bda28f9d8fc3f42

Make grid texture coordinates relative to the grid origin

Instead of the world origin, which doesn't make much sense.
---

diff --git a/source/grid.cpp b/source/grid.cpp
index 78a3fecb..3f4d5e2f 100644
--- a/source/grid.cpp
+++ b/source/grid.cpp
@@ -83,14 +83,14 @@ void GridBuilder::build(PrimitiveBuilder &builder) const
 
 	for(unsigned j=0; j<=v_div; ++j)
 	{
-		Vector3 row = origin+side2*(j*1.0f/v_div);
+		Vector3 row = side2*(j*1.0f/v_div);
 		float v = dot(row, binorm)*v_scale;
 		for(unsigned i=0; i<=u_div; ++i)
 		{
 			Vector3 p = row+side1*(i*1.0f/u_div);
 			float u = dot(p, side1)*u_scale;
 			builder.texcoord(u, v);
-			builder.vertex(p);
+			builder.vertex(origin+p);
 		}
 	}