Added DrawArc() function

src/models.c

@@ -629,6 +629,26 @@ void DrawCylinderWires(Vector3 position, float radiusTop, float radiusBottom, fl
     rlPopMatrix();
 }
 
+//Draw an arc between two points
+//If iradius=0. the arc is a semi-circle with a center at the midpoint of the line between the two points.  Increase iradius for a flatter arc with a center off the midpoint.  Theta rotates the arc around the line between the two points.
+void DrawArc(Vector3 v1, Vector3 v2, float iradius, float theta, int steps, Color color) {
+    float increment=1.0/(float)steps;
+    Vector3 p;
+
+    rlCheckRenderBatchLimit(2*(steps+1));
+    rlBegin(RL_LINES);
+        rlColor4ub(color.r, color.g, color.b, color.a);
+        for (float t=0.0;t<1.0;t+=increment) {
+            p=Vector3Slerp(v1,v2,t,iradius,theta);
+            rlVertex3f(p.x,p.y,p.z);
+            p=Vector3Slerp(v1,v2,t+increment,iradius,theta);
+            rlVertex3f(p.x,p.y,p.z);
+
+        }
+    rlEnd();
+return;
+}
+
 // Draw a plane
 void DrawPlane(Vector3 centerPos, Vector2 size, Color color)
 {