Changeset 3116 for GTP/trunk/App/Demos/Vis/FriendlyCulling/src/shaders/treeanimation.cg

Timestamp:

11/11/08 00:46:01 (16 years ago)

Author:

mattausch

Message:

tree animation works somehow with flow vector

File:

• GTP/trunk/App/Demos/Vis/FriendlyCulling/src/shaders/treeanimation.cg (modified) (2 diffs)

GTP/trunk/App/Demos/Vis/FriendlyCulling/src/shaders/treeanimation.cg

@@ -85 +85 @@
                 
         const float pos = (minMaxPos.x - IN.position.z) / (minMaxPos.x - minMaxPos.y);
+
         float factor = pos * pos * windStrength * sin(timer * frequency);
+        const float4 offs = float4(factor * windDir, 0);
 
-        const float4 offs = float4(factor * windDir, 0);
+        float oldFactor = pos * pos * windStrength * sin(oldTimer * frequency);
+        const float4 oldOffs = float4(oldFactor * windDir, 0);
 
         // transform the vertex position into post projection space
@@ -101 +104 @@
         
         // hack: no translational component anyway
-        OUT.oldWorldPos = float4(.0f);
+        OUT.oldWorldPos = oldOffs;
         OUT.worldPos = offs;