GLScene/Examples/Demos/meshes/tiles/fTilesC.cpp

//---------------------------------------------------------------------------

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

#include "fTilesC.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.TilePlane"
#pragma link "GLS.SceneViewer"
#pragma resource "*.dfm"
TForm1* Form1;
//---------------------------------------------------------------------------
__fastcall TForm1::TForm1(TComponent* Owner) : TForm(Owner) {}

//---------------------------------------------------------------------------

void __fastcall TForm1::FormCreate(TObject* Sender)
{
	int i, j;
	TFileName Path = GetCurrentAssetPath();
	SetCurrentDir(Path  + "\\texture");

	GLMaterialLibrary->TexturePaths = GetCurrentDir();
	GLMaterialLibrary->LibMaterialByName("beigemarble")
		->Material->Texture->Image->LoadFromFile("beigemarble.jpg");
	GLMaterialLibrary->LibMaterialByName("marbletiles")
		->Material->Texture->Image->LoadFromFile("marbletiles.jpg");
	GLMaterialLibrary->LibMaterialByName("walkway")
		->Material->Texture->Image->LoadFromFile("walkway.jpg");

  // fill the tiled area with random tiles
	RandSeed = 0;
	for (int i = -20; i < 20; i++)
		for (int j = -20; j < 20; j++)
			GLTilePlane->Tiles[i][j] =  Random(GLMaterialLibrary->Materials->Count - 1) + 1;

	// set all tile materials to anisotropic add them to the material selection combo
	for (i = 0; GLMaterialLibrary->Materials->Count - 1; i++) {
		GLMaterialLibrary->Materials->Items[i]
			->Material->Texture->FilteringQuality = tfAnisotropic;
		CBMaterial->Items->Add(GLMaterialLibrary->Materials->Items[i]->Name);
	}
	CBMaterial->ItemIndex = 0;
}
//---------------------------------------------------------------------------

void __fastcall TForm1::FormMouseWheel(TObject *Sender, TShiftState Shift, int WheelDelta,
		  TPoint &MousePos, bool &Handled)
{
  GLCamera->AdjustDistanceToTarget(Power(1.1, WheelDelta / 120));
}
//---------------------------------------------------------------------------

void __fastcall TForm1::GLDirectOpenGLRender(TObject *Sender, TGLRenderContextInfo &rci)
{
  // we clear the depth buffer, so that the grid is always in front of the
  // tile plane and won't Z-Fight with it
  glClear(GL_DEPTH_BUFFER_BIT);
}
//---------------------------------------------------------------------------