hacks that make a polygon draw

[physics.git] / src / graphics / graphics.cpp

diff --git a/src/graphics/graphics.cpp b/src/graphics/graphics.cpp
index 537cdc8..d89db8a 100644 (file)
--- a/src/graphics/graphics.cpp
+++ b/src/graphics/graphics.cpp
@@ -34,6 +34,7 @@ using std::endl;
 /// ***** Private Method Headers *****
 
 void glDrawCircle(int);
+void glDrawPolygon( const std::vector<Vector2>& points );
 void sdlInit();
 void glInit();
 
@@ -65,6 +66,21 @@ void graphics::drawCircle(float radius, const Vector2& pos, const float* color)
     glDrawCircle(32);
 }
 
+void graphics::drawPolygon
+(
+  const std::vector<Vector2>& points,
+  const float* color
+)
+{
+    glMatrixMode(GL_MODELVIEW);
+    glLoadIdentity();
+
+    if(color != NULL)
+        glColor3fv(color);
+
+    glDrawPolygon(points);
+}
+
 /// ***** Private Methods *****
 
 void glDrawCircle(int pieces)
@@ -81,6 +97,18 @@ void glDrawCircle(int pieces)
     glEnd();
 }
 
+void glDrawPolygon( const std::vector<Vector2>& points )
+{
+    glBegin(GL_POLYGON);
+        for(unsigned int n = 0; n < points.size(); n++)
+        {
+            const Vector2& vec = points.at(n);
+
+            glVertex3f(vec.x, vec.y, 0);
+        }
+    glEnd();
+}
+
 void sdlInit()
 {
     if(SDL_Init(SDL_INIT_VIDEO) < 0)