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commit 14af354feaf8416db544d4495141c4a18e3d286f
parent c543641a52dbc65cf61afcf96a4f5f6bf24551e8
Author: Yoann <yoann.b87@voila.fr>
Date:   Thu, 12 Jan 2012 18:48:18 +0100

Ajout du début d'une fonction qui renvoi le sommet qui induit un Quad
concave.

Diffstat:
M
geometry/quad.cpp
 | 
14
++++++++++++++
M
geometry/quad.hh
 | 
1
+

2 files changed, 15 insertions(+), 0 deletions(-)
diff --git a/geometry/quad.cpp b/geometry/quad.cpp
@@ -157,6 +157,20 @@ Coin Quad::maxAngleCorner() const {
 	else return NW;
 }
 
+Coin Quad::concaveCorner() {
+    Vertex nne = Triangle(c[NW], c[NE], c[SE]).normal();
+    Vertex nse = Triangle(c[NE], c[SE], c[SW]).normal();
+    Vertex nsw = Triangle(c[SE], c[SW], c[NW]).normal();
+    Vertex nnw = Triangle(c[SW], c[NW], c[NE]).normal();
+
+    nne = nne;
+    nnw = nnw;
+    nse = nse;
+    nsw = nsw;
+
+    return NW;
+}
+
 Quad operator+(const Quad& q, const Vertex& v) {
 	return Quad(q[NE] + v, q[SE] + v, q[SW] + v, q[NW] + v);
 }
diff --git a/geometry/quad.hh b/geometry/quad.hh
@@ -37,6 +37,7 @@ class Quad {
 	float maxLength() const;
 	Cardinal minLengthSide() const;
 	Cardinal maxLengthSide() const;
+	Coin concaveCorner();
 	float angle(Coin corner) const;
 	float minAngle() const;
 	float maxAngle() const;