Gorilla.Terrain.Algorithm

Fields

• protected FSize : Integer
  
• protected FWidth : Integer
  
• protected FHeight : Integer
  
• protected FData : TArray<System.TArray<System.Single>>
  

Methods

• public constructor Create  ( ) ;
• public destructor Destroy  ( ) ;
• public function GetHeightMap  ( )  : TBitmap ;  virtual;

  The method returns a new TBitmap instance where pixels represent the computed height information from internal data array. This method is automatically called by the TGorillaTerrain component while execution.

Properties

• published Size : Integer

  Depending on the procedural terrain algorithm used, it describes a area size while computation.

  read FSize
  write FSize
  

Fields

• protected FHills : Integer
  
• protected FMinRadius : Integer
  
• protected FMaxRadius : Integer
  

Methods

• public constructor Create  ( ) ;
• public destructor Destroy  ( ) ;
• protected procedure Generate  ( const  N :  Integer  =  $9 ) ;
• public function GetHeightMap  ( )  : TBitmap ;  override;

Properties

• published Hills : Integer

  Number of hills to be created.

  read FHills
  write FHills
  
• published MinRadius : Integer

  Minimum radius used for generated hills. The algorithm will interpolate a value between min and max radius.

  read FMinRadius
  write FMinRadius
  
• published MaxRadius : Integer

  Maximum radius used for generated hills. The algorithm will interpolate a value between min and max radius.

  read FMaxRadius
  write FMaxRadius
  

Fields

• protected FMSeed : Integer
  

Methods

• public constructor Create  ( ) ;
• public destructor Destroy  ( ) ;
• protected procedure Generate  ( const  N :  Integer  =  $9 ) ;  virtual;
• public function GetHeightMap  ( )  : TBitmap ;  override;

Properties

• published MSeed : Integer

  Defines a seed value for random computation. By default this value is set to 1000.

  read FMSeed
  write FMSeed
  

Methods

• public constructor Create  ( ) ;
• public destructor Destroy  ( ) ;
• protected procedure Generate  ( ) ;
• public function GetHeightMap  ( )  : TBitmap ;  override;

Fields

• protected FMSeed : Integer
  
• protected FDiamondSquareFactor : Single
  
• protected FDiamondSquareEnabled : Boolean
  

Methods

• public constructor Create  ( ) ;
• public destructor Destroy  ( ) ;
• protected procedure GenerateDiamondSquare  ( const  N :  Integer ) ;

Properties

• published MSeed : Integer

  Defines a seed value for random computation. By default this value is set to 1000.

  read FMSeed
  write FMSeed
  
• published DiamondSquareFactor : Single

  Change this factor to manipulate coordinate values. By default this value is set to 1. If DiamondSquareFactor is zero, the algorithm will compute nothing.

  read FDiamondSquareFactor
  write FDiamondSquareFactor
  
• published DiamondSquareEnabled : Boolean

  Enables the diamond square factor usage. By default this value is set to true. If DiamondSquareEnabled is set to false the algorithm will compute nothing.

  read FDiamondSquareEnabled
  write FDiamondSquareEnabled
  

Fields

• protected FMSeed : Integer
  
• protected FIntensity : Single
  
• protected FInterpolation : TPerlinNoiseInterpolation
  

Methods

• public constructor Create  ( ) ;
• public destructor Destroy  ( ) ;
• protected function LinearInterpolate  ( a :  Double; b :  Double; fraction :  Double )  : Double ;
• protected function CosineInterpolate  ( const  a :  Double; const  b :  Double; const  fraction :  Double )  : Double ;
• protected function CubicInterpolate  ( const  v0 :  Double; const  v1 :  Double; const  v2 :  Double; const  v3 :  Double; const  x :  Double )  : Double ;
• protected function Noise  ( const  x :  Double; const  y :  Double )  : Double ;
• protected function SmoothedNoise  ( const  x :  Double; const  y :  Double )  : Double ;
• protected function InterpolatedNoise  ( const  x :  Double; const  y :  Double )  : Double ;
• protected function PerlinNoise2D  ( const  x :  Double; const  y :  Double )  : Double ;
• protected procedure Generate  ( const  N :  Integer  =  $7 ) ;
• public function GetHeightMap  ( )  : TBitmap ;  override;

Properties

• published Intensity : Single

  Defines the intensity of computation. The more intense, the higher the peaks get. By default this value is set to 0.25.

  read FIntensity
  write FIntensity
  
• published Interpolation : TPerlinNoiseInterpolation

  Defines the used interpolation method: Linear, Cosine, Cubic. By default this value is set to Cosine interpolation.

  read FInterpolation
  write FInterpolation
  

Fields

• protected FPlateaus : Integer
  
• protected FMinSize : Integer
  
• protected FMaxSize : Integer
  
• protected FMinHeight : Single
  
• protected FMaxHeight : Single
  
• protected FInverted : Boolean
  

Methods

• public constructor Create  ( ) ;
• public destructor Destroy  ( ) ;
• protected procedure Generate  ( const  N :  Integer  =  $9 ) ;  override;
• protected procedure GeneratePlateau  ( ) ;

  Build a specific number of plateaus after the algorithm already applied the diamond square terrain algorithm.

Properties

• published Plateaus : Integer

  Number of plateaus that should be created. It is possible that plateaus could intersect because of randomization. By default this value is set to 3.

  read FPlateaus
  write FPlateaus
  
• published MinSize : Integer

  Defines the minimum radius of the plateau. By default this value is set to 50.

  read FMinSize
  write FMinSize
  
• published MaxSize : Integer

  Defines the maximum radius of the plateau. By default this value is set to 250.

  read FMaxSize
  write FMaxSize
  
• published MinHeight : Single

  Defines the minimum height of the plateaus. By default this value is set to 0.25.

  read FMinHeight
  write FMinHeight
  
• published MaxHeight : Single

  Defines the maximum height of the plateaus. By default this value is set to 1.0.

  read FMaxHeight
  write FMaxHeight
  
• published Inverted : Boolean

  Instead of building plateaus, you could create flat lowlands. Activate this property and the component build flat areas, that are lower than the surrounding terrain. By default this property is deactivated.

  read FInverted
  write FInverted
  

Fields

• protected FParticles : Integer
  
• protected FMinHeight : Single
  
• protected FMaxHeight : Single
  

Methods

• public constructor Create  ( ) ;
• public destructor Destroy  ( ) ;
• protected procedure Generate  ( const  N :  Integer  =  $9 ) ;  virtual;
• public function GetHeightMap  ( )  : TBitmap ;  override;

Properties

• published Particles : Integer

  Number of particles used for terrain computation. The larger, the slower the algorithm, but the more random the terrain looks like. By default this value is set to 3000.

  read FParticles
  write FParticles
  
• published MinHeight : Single

  Minimum height factor for computed peaks. By default this value is set to 0.01.

  read FMinHeight
  write FMinHeight
  
• published MaxHeight : Single

  Maximum height factor for computed peaks. By default this value is set to 0.05.

  read FMaxHeight
  write FMaxHeight