Changeset 8558 in orxonox.OLD for branches/bsp_model/src/lib/graphics

Timestamp:

Jun 17, 2006, 11:46:11 AM (18 years ago)

Author:

patrick

Message:

bsp: vertex normals interpolation

Location:

branches/bsp_model/src/lib/graphics/importer/md3

Files:

• md3_model.cc (modified) (3 diffs)
• md3_model.h (modified) (2 diffs)

branches/bsp_model/src/lib/graphics/importer/md3/md3_model.cc

@@ -40 +40 @@
     this->tmpBoneFrame = new MD3BoneFrame();
     this->tmpMesh = new sVec3D[2048];          //!< the temporary mesh, hopefully newer bigger than 2048 vertices
+    this->tmpNormal = new MD3Normal[2048];     //!< the temporary normals
   }
 
@@ -124 +125 @@
           //interpolate vertex normals
           this->drawVertexNormals(frame, this->interpolateVertexNormals(&mesh->normals[data->animationState.currentFrame],
-                                  &mesh->normals[data->animationState.nextFrame], data->animationState.interpolationFraction));
+                                  &mesh->normals[data->animationState.nextFrame], data->animationState.interpolationFraction, mesh));
         }
         else {
@@ -249 +250 @@
    * interpolate vertex normal
    */
-  MD3Normal* MD3Model::interpolateVertexNormals(MD3Normal* curNormals, MD3Normal* nextNormals, float frac)
-  {}
+  MD3Normal* MD3Model::interpolateVertexNormals(MD3Normal* currNormals, MD3Normal* nextNormals, float frac, MD3Mesh* mesh)
+  {
+    for( int i = 0; i < mesh->header->vertexNum; i++)
+    {
+      this->tmpNormal[i].vertexNormal[0] = (int)((1.0f - frac) * currNormals[i].vertexNormal[0] + frac * nextNormals[i].vertexNormal[0]);
+      this->tmpNormal[i].vertexNormal[1] = (int)((1.0f - frac) * currNormals[i].vertexNormal[1] + frac * nextNormals[i].vertexNormal[1]);
+    }
+
+    return this->tmpNormal;
+  }
 
 

branches/bsp_model/src/lib/graphics/importer/md3/md3_model.h

@@ -50 +50 @@
 
     sVec3D* interpolateMeshFrame(sVec3D* currMeshFrame, sVec3D* nextMeshFrame, float frac, MD3Mesh* mesh);
-    MD3Normal* interpolateVertexNormals(MD3Normal* curNormals, MD3Normal* nextNormals, float frac);
+    MD3Normal* interpolateVertexNormals(MD3Normal* curNormals, MD3Normal* nextNormals, float frac, MD3Mesh* mesh);
     float* interpolateTransformation(MD3Tag* currFrameTag, MD3Tag* nextFrameTag, float frac);
 
@@ -60 +60 @@
 
     MD3BoneFrame*       tmpBoneFrame;      //!< a temporary bone frame
-    sVec3D*             tmpMesh;           //!< a temportary mesh frame
+    sVec3D*             tmpMesh;           //!< a temporary mesh frame
+    MD3Normal*          tmpNormal;         //!< a temporary normals frame
 };