1 files changed, 47 insertions, 0 deletions
diff --git a/Triangle.h b/Triangle.h
new file mode 100644
index 0000000..16b0d73
--- /dev/null
+++ b/Triangle.h
@@ -0,0 +1,47 @@
+#ifndef ZOOM_TRIANGLE_H_
+#define ZOOM_TRIANGLE_H_
+
+#include "gl.h"
+#include <vmmlib/vector.hpp>
+#include <vmmlib/matrix.hpp>
+
+namespace Zoom {
+
+class Triangle {
+  public:
+    Triangle() : c(vmml::vec4f::ONE) {
+      v[0] = v[1] = v[2] = vmml::vec3f::ZERO;
+    }
+
+    Triangle(const vmml::vec3f &v1, const vmml::vec3f &v2, const vmml::vec3f &v3, const vmml::vec4f &c0) : c(c0) {
+      v[0] = v1;
+      v[1] = v2;
+      v[2] = v3;
+    }
+    
+    const vmml::vec3f& getVertex(int i) const {return v[i];}
+    const vmml::vec4f& getColor() const {return c;}
+    
+    vmml::vec3f getNormal() const {
+      return v[0].compute_normal(v[1], v[2]);
+    }
+    
+    void transform(const vmml::mat4f &m) {
+      for(int i = 0; i < 3; ++i) {
+        v[i] = m*v[i];
+      }
+    }
+    
+    vmml::vec3f getCenter() const {
+      return (v[0]+v[1]+v[2])/3;
+    }
+
+  private:
+    vmml::vec3f v[3];
+    vmml::vec4f c;
+};
+
+}
+
+#endif /*ZOOM_TRIANGLE_H_*/
+