# HG changeset patch
# User John Tsiombikas <nuclear@member.fsf.org>
# Date 1452708037 -7200
# Node ID b4b8f736332b373caab70aec05d46adf3c1bbe79
# Parent  dc15b741486c40a6179dd4710464bb8facc4427a
switched Cloth::transform to match the new vector/matrix multiplication conventions in gmath

diff -r dc15b741486c -r b4b8f736332b src/cloth.cc
--- a/src/cloth.cc	Mon Jan 11 20:24:13 2016 +0200
+++ b/src/cloth.cc	Wed Jan 13 20:00:37 2016 +0200
@@ -16,8 +16,8 @@
 void Cloth::create_rect(int x, int y, float width, float height)
 {
 	int num = x * y;
-	float dx = width / (float)x;
-	float dy = height / (float)y;
+	float dx = width / (float)(x - 1);
+	float dy = height / (float)(y - 1);
 
 	masses.resize(num);
 	conn.resize(num);
@@ -97,7 +97,7 @@
 void Cloth::transform(const Matrix4x4 &xform)
 {
 	for(size_t i=0; i<masses.size(); i++) {
-		masses[i].pos = masses[i].pos * xform;
+		masses[i].pos = xform * masses[i].pos;
 	}
 }
 
diff -r dc15b741486c -r b4b8f736332b src/main.cc
--- a/src/main.cc	Mon Jan 11 20:24:13 2016 +0200
+++ b/src/main.cc	Wed Jan 13 20:00:37 2016 +0200
@@ -55,16 +55,16 @@
 	//glEnable(GL_LIGHTING);
 	glEnable(GL_LIGHT0);
 
-	cloth.create_rect(4, 4, 10, 10);
+	cloth.create_rect(5, 5, 10, 10);
 
 	Matrix4x4 xform = Matrix4x4(1, 0, 0, 0,
 								0, 1, 0, 0,
 								0, 0, 1, 0,
-								0, 1, 1, 1);
+								0, 2, 0, 1);
 	cloth.transform(xform);
 	cloth.set_mass(0.1);
 	cloth.set_spring_constant(0.1);
-	cloth.set_gravity(Vector3(0, -0.1, 0));
+	cloth.set_gravity(Vector3(0, -0.01, 0));
 	cloth.set_damping(0.1);