From 0ea1d388651217697d49029820b02b4f002f1ac0 Mon Sep 17 00:00:00 2001
From: neoraider <devnull@localhost>
Date: Fri, 15 Feb 2008 19:10:04 +0000
Subject: zoomedit: Made rotation tool much nicer ;-)

---
 Renderer.cpp | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

(limited to 'Renderer.cpp')

diff --git a/Renderer.cpp b/Renderer.cpp
index 0a4f403..c95779a 100644
--- a/Renderer.cpp
+++ b/Renderer.cpp
@@ -69,6 +69,20 @@ void Renderer::drawCircle(const Vertex &m, float r, int n) {
   glEnd();
 }
 
+void Renderer::drawCircleDotted(const Vertex &m, float r, int n, int d, float rot) {
+  glBegin(GL_LINES);
+  
+  for(int i = 0; i < n; i++) {
+    if(2*d*(i%(n/d)) >= n)
+      continue;
+    
+    glVertex2f(m.getX()+r*cosf(rot+2*M_PI*i/n), m.getY()+r*sinf(rot+2*M_PI*i/n));
+    glVertex2f(m.getX()+r*cosf(rot+2*M_PI*(i+1)/n), m.getY()+r*sinf(rot+2*M_PI*(i+1)/n));
+  }
+  
+  glEnd();
+}
+
 void Renderer::fillCircle(const Vertex &m, float r, int n) {
   glBegin(GL_POLYGON);
   
-- 
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