GLScene/Demos/CPP/cgshaders/CGBombShader/Unit1.cpp

//---------------------------------------------------------------------------
#include <vcl.h>
#include <tchar.h>
#pragma hdrstop

#include "Unit1.h"
//---------------------------------------------------------------------------
#pragma package(smart_init)
#pragma link "GLS.BaseClasses"
#pragma link "GLS.Cadencer"
#pragma link "GLS.Coordinates"

#pragma link "GLS.Graph"
#pragma link "GLS.Material"
#pragma link "GLS.Objects"
#pragma link "GLS.Scene"
#pragma link "GLS.SimpleNavigation"
#pragma link "GLS.VectorFileObjects"
#pragma link "GLS.SceneViewer"
#pragma link "GLS.FileMD2"
#pragma link "GLS.File3DS"

#pragma link "GLSL.cgBombShader"

#pragma resource "*.dfm"
TForm1 *Form1;

//---------------------------------------------------------------------------
__fastcall TForm1::TForm1(TComponent* Owner)
	: TForm(Owner)
{
}

void __fastcall TForm1::ResetPositions()
{
  TrackBar1->Position = InterpolateCombinedSafe(0.01, 10, MyShader->Displacement, 0, 100, 1, itLinear);
  TrackBar2->Position = InterpolateCombinedSafe(-0.13, 10, MyShader->Sharpness, 0, 100, 1, itLinear);
  TrackBar3->Position = InterpolateCombinedSafe(0.01, 6, MyShader->ColorSharpness, 0, 100, 1, itLinear);
  TrackBar4->Position = InterpolateCombinedSafe(0.1, 1, MyShader->Speed, 0, 100, 1, itLinear);
  TrackBar5->Position = InterpolateCombinedSafe(0.01, 8, MyShader->TurbDensity, 0, 100, 1, itLinear);
  TrackBar6->Position = InterpolateCombinedSafe(-0.5, 0.5, MyShader->ColorRange, 0, 100, 1, itLinear);
  TrackBar7->Position = InterpolateCombinedSafe(0, 1, MyShader->Alpha, 0, 100, 1, itLinear);
  TrackBar8->Position = InterpolateCombinedSafe(0, 2, MyShader->MainTextureShare, 0, 100, 1, itLinear);
  TrackBar9->Position = InterpolateCombinedSafe(0, 2, MyShader->GradientTextureShare, 0, 100, 1, itLinear);

}
//---------------------------------------------------------------------------
void __fastcall TForm1::FormCreate(TObject *Sender)
{
  // First load models from media directory
  SetGLSceneMediaDir();
  GLActor1->LoadFromFile("waste.md2"); //Fighter
  GLActor1->SwitchToAnimation(0, True);
  GLActor1->AnimationMode = aamLoop;
  GLActor1->Scale->Scale(0.05);

  ffTeapot->LoadFromFile("Teapot.3ds");
  ffSphere1->LoadFromFile("Sphere_little.3DS");
  ffSphere2->LoadFromFile("Sphere_big.3DS");
  ffSphere2->Scale->Scale(20);

  GLMaterialLibrary1->LibMaterialByName("marbles1")->
     Material->Texture->Image->LoadFromFile("beigemarble.jpg");
  GLMaterialLibrary1->LibMaterialByName("marbles2")->
	 Material->Texture->Image->LoadFromFile("marbletiles.jpg");
  GLMaterialLibrary1->LibMaterialByName("snow")->
	 Material->Texture->Image->LoadFromFile("snow512.jpg");
  GLMaterialLibrary1->LibMaterialByName("Fire")->
	 Material->Texture->Image->LoadFromFile("FireGrade.bmp");
  GLMaterialLibrary1->LibMaterialByName("FighterTexture")->
	 Material->Texture->Image->LoadFromFile("waste.jpg");

  MyShader = new TCgBombShader(this);
  MyShader->MainTexture = GLMaterialLibrary1->LibMaterialByName("FighterTexture")->Material->Texture;
  MyShader->Cadencer = GLCadencer1;

  // All models are linked with this material
  GLMaterialLibrary1->LibMaterialByName("LibMaterial")->Shader = MyShader;

  ResetPositions();
  ComboBox1Change(Sender);

}
//---------------------------------------------------------------------------
void __fastcall TForm1::ComboBox1Change(TObject *Sender)
{
  MyShader->GradientTexture = GLMaterialLibrary1->LibMaterialByName(ComboBox1->Text)->Material->Texture;
}
//---------------------------------------------------------------------------
void __fastcall TForm1::CheckBox1Click(TObject *Sender)
{
  GLActor1->Visible = CheckBox1->Checked;
  ffTeapot->Visible = CheckBox2->Checked;
  ffSphere1->Visible = CheckBox3->Checked;
  ffSphere2->Visible = CheckBox4->Checked;
}
//---------------------------------------------------------------------------
void __fastcall TForm1::TrackBar1Change(TObject *Sender)
{
  if (MyShader == NULL)
	exit;
  MyShader->Displacement = InterpolateCombinedSafe(0, 100, TrackBar1->Position, 0.01, 10, 1, itLinear);
}
//---------------------------------------------------------------------------
void __fastcall TForm1::TrackBar2Change(TObject *Sender)
{
  MyShader->Sharpness = InterpolateCombinedSafe(0, 100, TrackBar2->Position, -0.13, 10, 1, itLinear);
}
//---------------------------------------------------------------------------
void __fastcall TForm1::TrackBar3Change(TObject *Sender)
{
  MyShader->ColorSharpness = InterpolateCombinedSafe(0, 100, TrackBar3->Position, 0.01, 6, 1, itLinear);
}
//---------------------------------------------------------------------------
void __fastcall TForm1::TrackBar4Change(TObject *Sender)
{
  MyShader->Speed = InterpolateCombinedSafe(0, 100, TrackBar4->Position, 0.1, 1, 1, itLinear);
}
//---------------------------------------------------------------------------
void __fastcall TForm1::TrackBar5Change(TObject *Sender)
{
  MyShader->TurbDensity = InterpolateCombinedSafe(0, 100, TrackBar5->Position, 0.1, 8, 1, itLinear);
}
//---------------------------------------------------------------------------

void __fastcall TForm1::TrackBar6Change(TObject *Sender)
{
  MyShader->ColorRange = InterpolateCombinedSafe(0, 100, TrackBar6->Position, -0.5, 0.5, 1, itLinear);
}
//---------------------------------------------------------------------------
void __fastcall TForm1::TrackBar7Change(TObject *Sender)
{
 MyShader->Alpha = InterpolateCombinedSafe(0, 100, TrackBar7->Position, 0, 1, 1, itLinear);
}
//---------------------------------------------------------------------------
void __fastcall TForm1::TrackBar8Change(TObject *Sender)
{
 MyShader->MainTextureShare = InterpolateCombinedSafe(0, 100, TrackBar8->Position, 0, 2, 1, itLinear);
}
//---------------------------------------------------------------------------
void __fastcall TForm1::TrackBar9Change(TObject *Sender)
{
  MyShader->GradientTextureShare = InterpolateCombinedSafe(0, 100, TrackBar9->Position, 0, 2, 1, itLinear);
}
//---------------------------------------------------------------------------

void __fastcall TForm1::GLCadencer1Progress(TObject *Sender, const double deltaTime,
          const double newTime)
{
  GLSceneViewer1->Invalidate();
}
//---------------------------------------------------------------------------
void __fastcall TForm1::ShaderEnabledCheckBoxClick(TObject *Sender)
{
  MyShader->Enabled = ShaderEnabledCheckBox->Checked;
}
//---------------------------------------------------------------------------