trapezkorrektur implementiert

src/ofApp.cpp

@@ -190,10 +190,16 @@ void ofApp::scaleTrapeze(void) {
     message = out.str();
     ofDrawBitmapString(message, 100, 140);
     if (center_trapeze.x > middle) {
-        center_rect.x = center_trapeze.x - (((center_trapeze.y - cp_top_right.y) / right_pitch));// * (((cp_bottom_right.x - middle) - ((center_trapeze.y - cp_top_right.y) / right_pitch)) / (center_trapeze.x - middle)));
+        float mid_to_dot = center_trapeze.x - middle;
+        float distance_to_rect = ((cp_bottom_right.y - center_trapeze.y) / right_pitch);
+        float mid_to_max = (cp_bottom_right.x - middle) - distance_to_rect;
+        center_rect.x = center_trapeze.x + ((distance_to_rect) * ((mid_to_dot)/(mid_to_max)));
     }
     else {
-        center_rect.x = center_trapeze.x - (((center_trapeze.y - cp_top_left.y) / left_pitch));//* (((middle - cp_bottom_left.x) - ((center_trapeze.y - cp_top_left.y) / left_pitch)) / (middle - center_trapeze.x)));
+        float mid_to_dot = middle - center_trapeze.x;
+        float distance_to_rect = ((cp_bottom_left.y - center_trapeze.y) / left_pitch);
+        float mid_to_max = (middle - cp_bottom_left.x) - distance_to_rect;
+        center_rect.x = center_trapeze.x + ((distance_to_rect) * ((mid_to_dot)/(mid_to_max)));
     }
 }