Changeset 464 for trunk/VUT/GtpVisibilityPreprocessor/src/VssRay.cpp

Timestamp:

12/14/05 15:25:44 (19 years ago)

Author:

bittner

Message:

 

File:

• trunk/VUT/GtpVisibilityPreprocessor/src/VssRay.cpp (modified) (2 diffs)

trunk/VUT/GtpVisibilityPreprocessor/src/VssRay.cpp

@@ -158 +158 @@
 
 void
+GenerateExtendedConvexCombinationWeights2(float &w1,
+                                                                                  float &w2,
+                                                                                  const float overlap
+                                                                                  )
+{
+  w1 = RandomValue(-overlap, 1.0f + overlap);
+  w2 = 1.0f - w1;
+}
+
+void
 GenerateExtendedConvexCombinationWeights(float &w1,
                                                                                  float &w2,
@@ -164 +174 @@
                                                                                  )
 {
-  w1 = RandomValue(-overlap, 1.0f + overlap);
-  w2 = RandomValue(-overlap, 1.0f + overlap);
-  w3 = 1.0f - w1 - w2;
+
+  while (1) {
+        w1 = RandomValue(-overlap, 1.0f + overlap);
+        w2 = RandomValue(-overlap, 1.0f + overlap);
+        w3 = 1.0f + overlap - w1 - w2;
+        if (w3 >= -overlap && w3 <= 1.0f + overlap)
+          break;
+        /*
+        w3 = RandomValue(0.0f, 1.0f + overlap);
+        
+        float sum = w1 + w2 + w3;
+        if (sum>0.0f) {
+          w1/=sum;
+          w2/=sum;
+          w3/=sum;
+          break;
+        }
+        */
+  }
 }