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textilegenerator.cpp
1 // © Copyright 2010 - 2016 BlackTopp Studios Inc.
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40 /*
41  -----------------------------------------------------------------------------
42  This source file is part of ogre-procedural
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44  For the latest info, see http://code.google.com/p/ogre-procedural/
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46  Copyright (c) 2010-2013 Michael Broutin
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64  THE SOFTWARE.
65  -----------------------------------------------------------------------------
66  */
67 #ifndef _graphicsproceduraltextilegenerator_cpp
68 #define _graphicsproceduraltextilegenerator_cpp
69 
70 #include "Graphics/Procedural/Texture/textilegenerator.h"
71 
72 #include "Noise/Module/perlin.h"
73 
74 #include "MathTools/mathtools.h"
75 
76 namespace Mezzanine
77 {
78  namespace Graphics
79  {
80  namespace Procedural
81  {
83  GenColour(1.0,1.0,1.0,1.0),
84  GenSeed(5120)
85  { }
86 
88  { }
89 
90  ///////////////////////////////////////////////////////////////////////////////
91  // Utility
92 
94  {
95  MathTools::MersenneTwisterGenerator32 NumGen(this->GenSeed);
96  Whole RandNum = NumGen.GenerateUInt();
97  Noise::Module::Perlin Noise;
98  Noise.SetFrequency(1.0 / 8.0);
99  Noise.SetLacunarity(2.0);
100  Noise.SetOctaveCount(3);
101  Noise.SetPersistence(0.65);
102  Real FilterLevel = 0.7;
103  Real PreserveLevel = 0.3;
104 
105  for( Whole Y = 0 ; Y < Buffer.GetHeight() ; ++Y )
106  {
107  for( Whole X = 0 ; X < Buffer.GetWidth() ; ++X )
108  {
109  Real NoiseVal = std::max( 0.0, std::min( 1.0, ( MathTools::Sin( X + Noise.GetValue( X + RandNum, Y + RandNum, 0 ) ) + MathTools::Sin( Y + Noise.GetValue( X + RandNum, Y + RandNum, 0 ) ) ) * 0.25 + 0.5 ) );
110  Buffer.SetRedByte( X, Y, (UInt8)std::min<Real>( PreserveLevel * this->GenColour.RedChannel * 255.0 + FilterLevel * this->GenColour.RedChannel * 255.0 * NoiseVal, 255.0) );
111  Buffer.SetGreenByte( X, Y, (UInt8)std::min<Real>( PreserveLevel * this->GenColour.GreenChannel * 255.0 + FilterLevel * this->GenColour.GreenChannel * 255.0 * NoiseVal, 255.0) );
112  Buffer.SetBlueByte( X, Y, (UInt8)std::min<Real>( PreserveLevel * this->GenColour.BlueChannel * 255.0 + FilterLevel * this->GenColour.BlueChannel * 255.0 * NoiseVal, 255.0) );
113  Buffer.SetAlphaReal( X, Y, this->GenColour.AlphaChannel );
114  }
115  }
116  }
117 
119  { return "TextileGenerator"; }
120 
121  ///////////////////////////////////////////////////////////////////////////////
122  // Configuration
123 
125  {
126  this->GenColour = Colour;
127  return *this;
128  }
129 
130  TextileGenerator& TextileGenerator::SetColour(const Real Red, const Real Green, const Real Blue, const Real Alpha)
131  {
132  this->GenColour.SetValues(Red,Green,Blue,Alpha);
133  return *this;
134  }
135 
137  {
138  this->GenSeed = Seed;
139  return *this;
140  }
141  }//Procedural
142  }//Graphics
143 }//Mezzanine
144 
145 #endif
void SetRedByte(const Whole X, const Whole Y, const ColourChannelType Red)
Sets the red colour value of a specified pixel. the X or Y location go beyond the set size of this te...
TextileGenerator & SetSeed(const Whole Seed)
Sets the seed for the "random" number generator.
Whole GetWidth() const
Get the pixel width of this texture.
uint8_t UInt8
An 8-bit unsigned integer.
Definition: datatypes.h:118
This is a simple class for holding 4 reals representing the colour any give object or lightsource can...
Definition: colourvalue.h:64
TextileGenerator & SetColour(const ColourValue &Colour)
Sets the colour of the background.
ColourValue GenColour
The background colour of the textile to be generated.
float Real
A Datatype used to represent a real floating point number.
Definition: datatypes.h:141
void SetGreenByte(const Whole X, const Whole Y, const ColourChannelType Green)
Sets the green colour value of a specified pixel. the X or Y location go beyond the set size of this ...
Real GreenChannel
Value from 0.0 to 1.0 representing the amount of green present in the colour. 1.0 if very green...
Definition: colourvalue.h:73
virtual void AddToTextureBuffer(TextureBuffer &Buffer) const
Replaces and populates the pixels as configured in this generator to a TextureBuffer.
Real AlphaChannel
Value from 0.0 to 1.0 representing the transparency of the colours. 1.0 is opaque and 0...
Definition: colourvalue.h:79
void SetAlphaReal(const Whole X, const Whole Y, const Real Alpha)
Sets the alpha colour value of a specified pixel. the X or Y location go beyond the set size of this ...
void SetValues(const Real Red, const Real Green, const Real Blue, const Real Alpha)
Sets each of the colour channels.
virtual String GetName() const
Gets the name of this generator.
A convenience buffer that stores pixel colour values of a texture to be generated.
Definition: texturebuffer.h:86
Whole GenSeed
The seed to be used for the random number generator.
The bulk of the engine components go in this namspace.
Definition: actor.cpp:56
unsigned long Whole
Whole is an unsigned integer, it will be at least 32bits in size.
Definition: datatypes.h:151
Whole GetHeight() const
Get the pixel height of this texture.
Real BlueChannel
Value from 0.0 to 1.0 representing the amount of blue present in the colour. 1.0 if very blue...
Definition: colourvalue.h:76
Creates a textile structured image.
Real RedChannel
Value from 0.0 to 1.0 representing the amount of red present in the colour. 1.0 if very red...
Definition: colourvalue.h:70
void SetBlueByte(const Whole X, const Whole Y, const ColourChannelType Blue)
Sets the blue colour value of a specified pixel. the X or Y location go beyond the set size of this t...
std::string String
A datatype used to a series of characters.
Definition: datatypes.h:159