Interactive 2D particle fluid (double-density relaxation) in pixel space. Script-owned; independent of Box2D World. 更多...

#include <Fluid2D.h>

Public 成员函数
	Fluid2D (int capacity=512)
	Fluid 2 d.

	~Fluid2D ()
	Fluid 2 d.

	Fluid2D (const Fluid2D &)=delete

Fluid2D &	operator= (const Fluid2D &)=delete

void	update (float dt)
	Updates .

void	setGravity (float gx, float gy)
	Sets the gravity.

float	getGravityX () const
	Returns the gravity x.

float	getGravityY () const
	Returns the gravity y.

void	setSmoothingRadius (float radius)
	Interaction / neighbor radius in pixels (default 18).

float	getSmoothingRadius () const
	Returns the smoothing radius.

void	setRestDensity (float density)
	Target rest density for the relaxation solver (default 4).

float	getRestDensity () const
	Returns the rest density.

void	setPressureStiffness (float k)
	Pressure stiffness (default 0.5).

float	getPressureStiffness () const
	Returns the pressure stiffness.

void	setNearPressureStiffness (float k)
	Near-pressure (anti-clustering) stiffness (default 0.5).

float	getNearPressureStiffness () const
	Returns the near pressure stiffness.

void	setViscosity (float viscosity)
	Sets the viscosity.

float	getViscosity () const
	Returns the viscosity.

void	setIterations (int iterations)
	Solver iterations per frame (default 3).

int	getIterations () const
	Returns the iterations.

void	setBounds (float x, float y, float w, float h)
	Axis-aligned container; particles bounce inside.

void	clearBounds ()
	Clears bounds.

int	emit (float x, float y, int count, float vx=0.f, float vy=0.f)
	Spawn up to `count` particles at (x,y) with initial velocity. Returns number actually added.

void	clear ()
	Clear all particles.

void	interactAt (float x, float y, float radius, float strength)
	Mouse / pointer interaction: positive strength attracts, negative repels. Applied as acceleration within radius (pixels).

void	setColor (float r, float g, float b, float a=1.f)
	Sets the color.

float	getColorR () const
	Returns the color r.

float	getColorG () const
	Returns the color g.

float	getColorB () const
	Returns the color b.

float	getColorA () const
	Returns the color a.

void	setParticleSize (float size)
	Particle draw size in pixels (default 5).

float	getParticleSize () const
	Returns the particle size.

void	draw (graphics::Graphics *gfx)
	Draws .

int	getCapacity () const
	Returns the capacity.

int	getParticleCount () const
	Returns the particle count.

float	getParticleX (int index) const
	Returns the particle x.

float	getParticleY (int index) const
	Returns the particle y.

float	getParticleVx (int index) const
	Returns the particle vx.

float	getParticleVy (int index) const
	Returns the particle vy.

void	destroy ()
	Destroys .

详细描述

Interactive 2D particle fluid (double-density relaxation) in pixel space. Script-owned; independent of Box2D World.

在文件 Fluid2D.h 第 19 行定义.

构造及析构函数说明

◆ Fluid2D() [1/2]

eve::physics::Fluid2D::Fluid2D ( int capacity = 512 )

explicit

Fluid 2 d.

在文件 Fluid2D.cpp 第 15 行定义.

◆ ~Fluid2D()

eve::physics::Fluid2D::~Fluid2D ( )

Fluid 2 d.

在文件 Fluid2D.cpp 第 20 行定义.

引用了 destroy().

◆ Fluid2D() [2/2]

eve::physics::Fluid2D::Fluid2D ( const Fluid2D & )

delete

成员函数说明

◆ clear()

void eve::physics::Fluid2D::clear ( )

Clear all particles.

在文件 Fluid2D.cpp 第 84 行定义.

◆ clearBounds()

void eve::physics::Fluid2D::clearBounds ( )

Clears bounds.

在文件 Fluid2D.cpp 第 63 行定义.

被这些函数引用 setBounds().

◆ destroy()

void eve::physics::Fluid2D::destroy ( )

Destroys .

在文件 Fluid2D.cpp 第 22 行定义.

被这些函数引用 ~Fluid2D().

◆ draw()

void eve::physics::Fluid2D::draw ( graphics::Graphics * gfx )

Draws .

在文件 Fluid2D.cpp 第 329 行定义.

引用了 eve::graphics::Graphics::drawSolidRect(), p, s , 以及 t.

◆ emit()

int eve::physics::Fluid2D::emit	(	float	x,
		float	y,
		int	count,
		float	vx = `0.f`,
		float	vy = `0.f`
	)

Spawn up to count particles at (x,y) with initial velocity. Returns number actually added.

在文件 Fluid2D.cpp 第 65 行定义.

引用了 count, cx, cy, getParticleCount(), p, side, step, vx, vy, x , 以及 y.

◆ getCapacity()

int eve::physics::Fluid2D::getCapacity ( ) const

inline

Returns the capacity.

在文件 Fluid2D.h 第 109 行定义.

◆ getColorA()

float eve::physics::Fluid2D::getColorA ( ) const

inline

Returns the color a.

在文件 Fluid2D.h 第 98 行定义.

◆ getColorB()

float eve::physics::Fluid2D::getColorB ( ) const

inline

Returns the color b.

在文件 Fluid2D.h 第 96 行定义.

◆ getColorG()

float eve::physics::Fluid2D::getColorG ( ) const

inline

Returns the color g.

在文件 Fluid2D.h 第 94 行定义.

◆ getColorR()

float eve::physics::Fluid2D::getColorR ( ) const

inline

Returns the color r.

在文件 Fluid2D.h 第 92 行定义.

◆ getGravityX()

float eve::physics::Fluid2D::getGravityX ( ) const

inline

Returns the gravity x.

在文件 Fluid2D.h 第 35 行定义.

◆ getGravityY()

float eve::physics::Fluid2D::getGravityY ( ) const

inline

Returns the gravity y.

在文件 Fluid2D.h 第 37 行定义.

◆ getIterations()

int eve::physics::Fluid2D::getIterations ( ) const

inline

Returns the iterations.

在文件 Fluid2D.h 第 67 行定义.

◆ getNearPressureStiffness()

float eve::physics::Fluid2D::getNearPressureStiffness ( ) const

inline

Returns the near pressure stiffness.

在文件 Fluid2D.h 第 57 行定义.

◆ getParticleCount()

int eve::physics::Fluid2D::getParticleCount ( ) const

inline

Returns the particle count.

在文件 Fluid2D.h 第 111 行定义.

被这些函数引用 emit() , 以及 update().

◆ getParticleSize()

float eve::physics::Fluid2D::getParticleSize ( ) const

inline

Returns the particle size.

在文件 Fluid2D.h 第 103 行定义.

◆ getParticleVx()

float eve::physics::Fluid2D::getParticleVx ( int index ) const

Returns the particle vx.

在文件 Fluid2D.cpp 第 119 行定义.

引用了 index , 以及 vx.

◆ getParticleVy()

float eve::physics::Fluid2D::getParticleVy ( int index ) const

Returns the particle vy.

在文件 Fluid2D.cpp 第 124 行定义.

引用了 index , 以及 vy.

◆ getParticleX()

float eve::physics::Fluid2D::getParticleX ( int index ) const

Returns the particle x.

在文件 Fluid2D.cpp 第 109 行定义.

引用了 index , 以及 x.

◆ getParticleY()

float eve::physics::Fluid2D::getParticleY ( int index ) const

Returns the particle y.

在文件 Fluid2D.cpp 第 114 行定义.

引用了 index , 以及 y.

◆ getPressureStiffness()

float eve::physics::Fluid2D::getPressureStiffness ( ) const

inline

Returns the pressure stiffness.

在文件 Fluid2D.h 第 52 行定义.

◆ getRestDensity()

float eve::physics::Fluid2D::getRestDensity ( ) const

inline

Returns the rest density.

在文件 Fluid2D.h 第 47 行定义.

◆ getSmoothingRadius()

float eve::physics::Fluid2D::getSmoothingRadius ( ) const

inline

Returns the smoothing radius.

在文件 Fluid2D.h 第 42 行定义.

◆ getViscosity()

float eve::physics::Fluid2D::getViscosity ( ) const

inline

Returns the viscosity.

在文件 Fluid2D.h 第 62 行定义.

◆ interactAt()

void eve::physics::Fluid2D::interactAt	(	float	x,
		float	y,
		float	radius,
		float	strength
	)

Mouse / pointer interaction: positive strength attracts, negative repels. Applied as acceleration within radius (pixels).

在文件 Fluid2D.cpp 第 89 行定义.

引用了 radius, strength, x , 以及 y.

◆ operator=()

Fluid2D & eve::physics::Fluid2D::operator= ( const Fluid2D & )

delete

◆ setBounds()

void eve::physics::Fluid2D::setBounds	(	float	x,
		float	y,
		float	w,
		float	h
	)

Axis-aligned container; particles bounce inside.

在文件 Fluid2D.cpp 第 51 行定义.

引用了 clearBounds(), h, w, x , 以及 y.

◆ setColor()

void eve::physics::Fluid2D::setColor	(	float	r,
		float	g,
		float	b,
		float	a = `1.f`
	)

Sets the color.

在文件 Fluid2D.cpp 第 96 行定义.

引用了 a, b, g , 以及 r.

◆ setGravity()

void eve::physics::Fluid2D::setGravity	(	float	gx,
		float	gy
	)

Sets the gravity.

在文件 Fluid2D.cpp 第 28 行定义.

◆ setIterations()

void eve::physics::Fluid2D::setIterations ( int iterations )

Solver iterations per frame (default 3).

在文件 Fluid2D.cpp 第 49 行定义.

引用了 iterations.

◆ setNearPressureStiffness()

void eve::physics::Fluid2D::setNearPressureStiffness ( float k )

Near-pressure (anti-clustering) stiffness (default 0.5).

在文件 Fluid2D.cpp 第 45 行定义.

◆ setParticleSize()

void eve::physics::Fluid2D::setParticleSize ( float size )

Particle draw size in pixels (default 5).

在文件 Fluid2D.cpp 第 103 行定义.

引用了 size.

◆ setPressureStiffness()

void eve::physics::Fluid2D::setPressureStiffness ( float k )

Pressure stiffness (default 0.5).

在文件 Fluid2D.cpp 第 43 行定义.

◆ setRestDensity()

void eve::physics::Fluid2D::setRestDensity ( float density )

Target rest density for the relaxation solver (default 4).

在文件 Fluid2D.cpp 第 38 行定义.

◆ setSmoothingRadius()

void eve::physics::Fluid2D::setSmoothingRadius ( float radius )

Interaction / neighbor radius in pixels (default 18).

在文件 Fluid2D.cpp 第 33 行定义.

引用了 radius.

◆ setViscosity()

void eve::physics::Fluid2D::setViscosity ( float viscosity )

Sets the viscosity.

在文件 Fluid2D.cpp 第 47 行定义.

◆ update()

void eve::physics::Fluid2D::update ( float dt )

Updates .

在文件 Fluid2D.cpp 第 266 行定义.

引用了 dx, dy, getParticleCount(), p, r, s , 以及 w.

该类的文档由以下文件生成:

src/modules/physics/Fluid2D.h
src/modules/physics/Fluid2D.cpp

Public 成员函数

详细描述

构造及析构函数说明

◆ Fluid2D() [1/2]

◆ ~Fluid2D()

◆ Fluid2D() [2/2]

成员函数说明

◆ clear()

◆ clearBounds()

◆ destroy()

◆ draw()

◆ emit()

◆ getCapacity()

◆ getColorA()

◆ getColorB()

◆ getColorG()

◆ getColorR()

◆ getGravityX()

◆ getGravityY()

◆ getIterations()

◆ getNearPressureStiffness()

◆ getParticleCount()

◆ getParticleSize()

◆ getParticleVx()

◆ getParticleVy()

◆ getParticleX()

◆ getParticleY()

◆ getPressureStiffness()

◆ getRestDensity()

◆ getSmoothingRadius()

◆ getViscosity()

◆ interactAt()

◆ operator=()

◆ setBounds()

◆ setColor()

◆ setGravity()

◆ setIterations()

◆ setNearPressureStiffness()

◆ setParticleSize()

◆ setPressureStiffness()

◆ setRestDensity()

◆ setSmoothingRadius()

◆ setViscosity()

◆ update()