Changeset 2957 for GTP/trunk/App/Demos/Vis/FriendlyCulling/src/Transform3.cpp

Timestamp:

09/19/08 11:41:18 (16 years ago)

Author:

mattausch

Message:

preetham working

File:

• GTP/trunk/App/Demos/Vis/FriendlyCulling/src/Transform3.cpp (modified) (5 diffs)

GTP/trunk/App/Demos/Vis/FriendlyCulling/src/Transform3.cpp

@@ -1 +1 @@
 #include "Transform3.h"
-#include "Matrix4x4.h"
 #include "RenderState.h"
 
@@ -10 +9 @@
 
 
-Transform3::Transform3(Matrix4x4 *trafo): mMatrix(trafo)
+Transform3::Transform3(const Matrix4x4 &trafo): mMatrix(trafo)
 {
+        mIsIdentity = false;
 }
 
 
-Transform3::~Transform3()
+Transform3::Transform3()
 {
-        DEL_PTR(mMatrix);
+        Reset();
 }
 
@@ -23 +23 @@
 void Transform3::Load(RenderState *state)
 {
-        if (!mMatrix) return;
+        if (mIsIdentity) return;
         
         if (state->GetRenderPassType() == RenderState::DEFERRED)
         {
-                cgGLSetMatrixParameterfc(sModelMatrixParam, (const float *)mMatrix->x);
+                cgGLSetMatrixParameterfc(sModelMatrixParam, (const float *)mMatrix.x);
         }
 
         glPushMatrix();
-        glMultMatrixf((float *)mMatrix->x);
+        glMultMatrixf((float *)mMatrix.x);
 }
 
@@ -37 +37 @@
 void Transform3::Unload(RenderState *state)
 {
-        if (!mMatrix) return;
+        if (mIsIdentity) return;
 
         if (state->GetRenderPassType() == RenderState::DEFERRED)
@@ -48 +48 @@
 }
 
+
+void Transform3::MultMatrix(const Matrix4x4 &trafo)
+{
+        mIsIdentity = false;
+        mMatrix = mMatrix * trafo;
 }
+
+
+void Transform3::Reset()
+{
+        mIsIdentity = true;
+        mMatrix = IdentityMatrix();
+}
+
+
+}