Changeset 1114 for GTP/trunk/App/Demos/Geom

Timestamp:

07/11/06 13:10:27 (18 years ago)

Author:

gumbau

Message:

 

Location:

GTP/trunk/App/Demos/Geom/Demo_LodStrips

Files:

• Demo_LodStrips.suo (added)
• main.cpp (modified) (4 diffs)

GTP/trunk/App/Demos/Geom/Demo_LodStrips/main.cpp

@@ -192 +192 @@
                 distance =dist.length();
 
-                DumpDataToOgreBuffers(ogreMesh,myStrips);
-
                 float lodfactor = (float)(distance - dist_min) / (float)(dist_max - dist_min);
                 lodfactor = 1.0f - lodfactor;
 
-                if (lodfactor >= 0.0f && lodfactor <= 1.0f)                     
+                if (lodfactor<0.0f)
+                        lodfactor=0.0f;
+                if (lodfactor>1.0f)
+                        lodfactor=1.0f;
+
+/*              if (lodfactor >= 0.0f && lodfactor <= 1.0f)                     
+                {*/
+                static float lodfactorBefore = -1.0f;
+                if (fabsf(lodfactorBefore-lodfactor)>0.05f || 
+                        (lodfactorBefore>0.0f && lodfactor==0.0f) ||
+                        (lodfactorBefore<1.0f && lodfactor==1.0f))
                 {
                         myStrips->GoToLod(lodfactor);
-
-/*                      diflods = 10.0f;//myStrips->MaxLod()-myStrips->MinLod();
-                        inc2=diflods/difdist;
-                        inc2++;
-
-                        d = distance - dist_min;
-
-                        nlod = d*inc2;*/
-
-//                      if ((nlod!=myStrips->mCurrentLod)&&(nlod>=myStrips->MinLod())&&(nlod<=myStrips->MaxLod()))
-//                      {
-                                if (lodfactor < 0.333f)
+                        DumpDataToOgreBuffers(ogreMesh,myStrips);
+                        lodfactorBefore=lodfactor;
+
+                        if (lodfactor < 0.333f)
+                        {
+                                color.r=0.0;
+                                color.g=(lodfactor)*3.0f;//nlod*1.0/(diflods/3);
+                                color.b=(0.3f-lodfactor)*3.0f;//(nlod*1.0/(diflods/3));
+                        }
+                        else
+                        {
+                                if (lodfactor<0.666f)
                                 {
-                                        color.r=0.0;
-                                        color.g=(lodfactor)*3.0f;//nlod*1.0/(diflods/3);
-                                        color.b=(0.3f-lodfactor)*3.0f;//(nlod*1.0/(diflods/3));
+                                        color.r=(lodfactor-0.333f)*3.0f;//(nlod-diflods/3)*1.0/(diflods/3);
+                                        color.g=1.0;
+                                        color.b=0.0;
                                 }
                                 else
                                 {
-                                        if (lodfactor<0.666f)
-                                        {
-                                                color.r=(lodfactor-0.333f)*3.0f;//(nlod-diflods/3)*1.0/(diflods/3);
-                                                color.g=1.0;
-                                                color.b=0.0;
-                                        }
-                                        else
-                                        {
-                                                color.r=1.0;
-                                                color.g=(0.3f-lodfactor)*3.0f;//(nlod-(2*diflods/3))*1.0/(diflods/3);
-                                                color.b=0.0;
-                                        }
+                                        color.r=1.0;
+                                        color.g=(0.3f-lodfactor)*3.0f;//(nlod-(2*diflods/3))*1.0/(diflods/3);
+                                        color.b=0.0;
                                 }
-                                mat[0]->setDiffuse(color);
-                //      }
+                        }
+                        mat[0]->setDiffuse(color);
                 }
-                else
+/*              else
                 {
                         if ((distance > dist_max))
                         {
-                        //      myStrips->GoToLod(1.0f);
-
                                 color.r=0.0;
                                 color.g=0.0;
@@ -251 +248 @@
                                 if ((distance < dist_min))
                                 {
-                                //      myStrips->GoToLod(0.0f);
-
                                         color.r=1.0;
                                         color.g=0.0;
@@ -260 +255 @@
                         }
                 }
-
+*/
                 // Move the node
                 if(mInputDevice->isKeyDown(Ogre::KC_UP))
@@ -324 +319 @@
                 mInfo->setCaption(cadena);
 
-                if (lodfactor<0.0f)
-                        lodfactor=0.0f;
-                if (lodfactor>1.0f)
-                        lodfactor=1.0f;
                 sprintf(cadena,"LOD factor: %f",lodfactor);