Mercurial > ldforge / file diff

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/linetypes/triangle.cpp	Tue Feb 14 15:11:33 2017 +0200
@@ -0,0 +1,54 @@
+/*
+ *  LDForge: LDraw parts authoring CAD
+ *  Copyright (C) 2013 - 2017 Teemu Piippo
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "triangle.h"
+
+LDTriangle::LDTriangle(Model *model) :
+	LDObject {model} {}
+
+LDTriangle::LDTriangle(const Vertex& v1, const Vertex& v2, const Vertex& v3, Model* model) :
+	LDObject {model}
+{
+	setVertex(0, v1);
+	setVertex(1, v2);
+	setVertex(2, v3);
+}
+
+int LDTriangle::triangleCount() const
+{
+	return 1;
+}
+
+QString LDTriangle::asText() const
+{
+	QString result = format("3 %1", color());
+
+	for (int i = 0; i < 3; ++i)
+		result += format(" %1", vertex (i));
+
+	return result;
+}
+
+void LDTriangle::invert()
+{
+	// Triangle goes 0 -> 1 -> 2, reversed: 0 -> 2 -> 1.
+	// Thus, we swap 1 and 2.
+	Vertex temp = vertex(1);
+	setVertex(1, vertex(2));
+	setVertex(2, temp);
+}