C++ sf::Texture类代码示例

void AnimatedSphere::create(sf::Texture& tex, float radius, const sf::Time& time)
{
	circle.setTexture(&tex);
	tex.setRepeated(true);

	if(radius < 0)
		throw std::logic_error{ "Circle's radius cannot be negative! Radius = " + std::to_string(radius) };

	float diam = 2 * radius;
	texRect = { 0, 0, (int)diam, (int)diam };

	circle.setRadius(radius);

	passed = sf::Time::Zero;
	animTime = time;

	texRect = { 0, 0, 2 * (int)radius, 2 * (int)radius };
	circle.setTextureRect(texRect);
}

void Animation::LoadContent(std::string text, sf::Texture image, sf::Vector2f position) {
	
	this->preText = text;
	this->image = image;
	this->position = position;

	alpha = 1.0f;
	textColor = sf::Color(114, 77, 255);

	if(image.getSize().y > 0) {
		
		sprite.setTexture(image);
	}

	
	this->text.setString(text);
	active = false;

}

Button::Button(const sf::Font& font, const sf::Texture& texture)
    : m_texture     (texture),
    m_text          ("", font, 30u),
    m_toggleButton  (false)
{
    sf::IntRect subrect({ 0, 0 }, sf::Vector2i(texture.getSize()));
    subrect.height /= State::Count;

    for (auto i = 0; i < State::Count; ++i)
    {
        m_subRects.push_back(subrect);
        subrect.top += subrect.height;
    }

    m_sprite.setTexture(m_texture);
    m_sprite.setTextureRect(m_subRects[State::Normal]);
    
    auto bounds = m_sprite.getLocalBounds();
    m_text.setPosition(bounds.width / 2.f, bounds.height / 2.f);
}

Background(sf::RenderWindow &window) {
    background.loadFromFile("res/fondo1_baja.jpg");
    sprite.setTexture(background);
    width = 1;
    height = 1;
    actualAnimation = 0;
    timeBetweenAnimations = 1;
    timeSinceLastAnimation = 0.0;

    animationWidth = sprite.getGlobalBounds().width/width;
    animationHeight = sprite.getGlobalBounds().height/height;

    if(window.getSize().y/animationHeight < window.getSize().x/animationWidth)
        sprite.scale(2*window.getSize().y/animationHeight,2*window.getSize().y/animationHeight);
    else
        sprite.scale(2*window.getSize().x/animationWidth,2*window.getSize().x/animationWidth);

    //sprite.setOrigin(sf::Vector2f(animationWidth/2, animationHeight/2));
    sprite.setPosition(window.getSize().x/2, window.getSize().y/2.0);

}

void Animation::setSimpleReels(const sf::Texture& Spritesheet, int framex, int framey, int framespersec, int spool)
{
    frame.setTexture(Spritesheet);
    int i;


    sheetSize = Spritesheet.getSize();
    numberOfFrames = framex;
    numberOfTapes = framey;
    xsize = sheetSize.x/framex;
    ysize = sheetSize.y/framey;

    for(i=0; i<framex; i++)
    {
        addReel(i*xsize,0,xsize,ysize,framey,boost::lexical_cast<string>(i));
    }

    activeReel = 0;

    if(ysize < ((float)sheetSize.y/framey)) {buffer = 1;}
    fps = framespersec;
    if(fps>=1)
    {
        spf = 1.0/fps;
    }
    else
    {
        spf = 0;
    }
    runtime = ( (float) framey)/framespersec;

    current_spool = framex;
    current_frame = framey;
    framebox = reels[activeReel].getRect();
    frame.setTextureRect(framebox);
    frame.setOrigin(0.5*xsize,0.5*ysize);
    return;
}

void Animation::LoadContent(sf::String string, sf::Texture &texture, sf::Vector2f position)
{
	if(!font.loadFromFile("../Fonts/Dead Kansas.ttf"))
	{
		// error...
	}
	text.setFont(font);

	this->text = text;
	this->string = string;
	this->texture = texture;
	this->position = position;

	alpha = 1.0f;
	textColour = sf::Color(114, 66, 161);
	if(texture.getSize().y > 0);
	{
		sprite.setTexture(this->texture);
	}
	this->text = text;
	this->string = string;
	active = false;
}

	bool TextureHandler::loadFromFile(const typeAssetID assetID, sf::Texture& asset)
	{
		// Start with a return result of false
		bool succLoad = false;

		// Retrieve the filename for this asset
		std::string filename = assetID;

		// Was a valid filename found? then attempt to load the asset from anFilename
		if(filename.length() > 0)
		{
			// Load the asset from a file
			succLoad = asset.loadFromFile(filename);
		}
		else
		{
			ELOG() << "TextureHandler::LoadFromFile(" << assetID
				<< ") No filename provided!" << std::endl;
		}

		// Return anResult of true if successful, false otherwise
		return succLoad;
	}

int main()
{
	//check if top and bottom flipped
	sf::RenderWindow window = sf::RenderWindow(sf::VideoMode(640, 640, 32), "Perlin Noise", sf::Style::Titlebar | sf::Style::Close);
	sf::RenderTexture renderTexture;
	glewExperimental = GL_TRUE;
	glewInit();
	srand(time(NULL));
	texture.create(640,640);
	const float PERSISTENCE = .5;
	float i = 0;
	int count = 0;
	for( i = 2; i < 129; i /= PERSISTENCE){
		std::cout << i;
		sf::Vector2f** gradients;
		gradients = new sf::Vector2f* [1 + (int)i];
		for(int j = 0; j < (int)i + 1; j++){
			gradients[j] = new sf::Vector2f[(int)i + 1];
		}
		genRandom(gradients, i, 1 / i);
		drawNoise(window, gradients, i, 1 / i);
		for(int j = 0; j < (int)i + 1; j++){
			delete[] gradients[j];
		}
		delete[] gradients;
		
		//std::cin.get();
	}

	display(window);
	
	std::cout << "draw";
	window.display();
	
	std::cin.get();
	return 0;
}

Selector::Selector(const sf::Texture& t)
    : m_texture     (t),
    m_currentIndex  (0),
    m_target        (0.f)
{
    sf::Vector2f texSize(t.getSize());

    m_topButton.width = texSize.x / 2.f;
    m_topButton.height = texSize.y / 3.f;

    m_bottomButton = m_topButton;
    m_bottomButton.top = m_bottomButton.height * 2.f;

    m_vertices[0].texCoords.x = m_topButton.width;
    m_vertices[0].position.y = m_topButton.height;

    m_vertices[1].texCoords.x = texSize.x;
    m_vertices[1].position = { m_topButton.width, m_topButton.height };

    m_vertices[2].texCoords = { texSize.x, m_topButton.height };
    m_vertices[2].position = { m_topButton.width, m_topButton.height * 2.f };

    m_vertices[3].texCoords = { m_topButton.width, m_topButton.height };
    m_vertices[3].position.y = m_topButton.height * 2.f;

    m_vertices[5].texCoords.x = m_topButton.width;
    m_vertices[5].position.x = m_topButton.width;

    m_vertices[6].texCoords = { m_topButton.width, texSize.y };
    m_vertices[6].position = m_vertices[6].texCoords;

    m_vertices[7].texCoords.y = texSize.y;
    m_vertices[7].position.y = texSize.y;

    m_localBounds.width = m_topButton.width;
    m_localBounds.height = texSize.y;
}

//int row the row of the tilesheet sprite sprite
//int col the col of the tilesheet for sprite
Entity::Entity(sf::Texture& texture, Level* level, int row, int col) {


	source.x = 0;
	source.y = 0;
	kills = 0;
	log_message = new sf::Text();
	sprite.setTexture(texture);

	this->current_level = level;
	list = NULL;

	m_Font = NULL;  // Clear cFont pointer
	m_MIL = NULL;  // Clear MIL pointer
	m_MSL = NULL;  // Clear MSL pointer

	int single_sprite_width = int(texture.getSize().x / NUM_SPRITES_IN_ROW); //TODO Assumming there are 4 frames
	int single_sprite_height = int(sprite.getGlobalBounds().height / NUM_SPRITES_IN_COL);
	sprite.setTextureRect(sf::Rect<int>(0, 0, single_sprite_width, single_sprite_height));
	
	//m_thisParent = NULL;  // Clear this list
	//m_Numthiss = 0;

	//m_definitioninitionFile[0] = 0;     // Clear definition filename

	//m_NumMeshes = 0;     // Clear mesh data
	//m_Meshes = NULL;
	//m_TexturePath[0] = 0;

	//m_NumAnimations = 0;     // Clear animation data
	//m_Animations = NULL;

	//m_SpellController = NULL;  // Clear spell controller
	selectSpriteSet(row, col);
	setMessageTimer(1000);

}

	int log_setup_1(){
		//Load Font
		if( PTSANS_loaded == false ){
			if (!PTSANS.loadFromFile("PTN57F.ttf")) return -1;
			PTSANS_loaded = true;
		}

		texture_3.loadFromFile( "Temp_log.png" );

		//Setup Strings
		log_string.setFont( PTSANS );
		log_string.setCharacterSize(24);
		log_string.setColor( sf::Color(255, 255, 255) );
		log_string.setPosition(90.f, 600.f);

		log_name.setFont( PTSANS );
		log_name.setCharacterSize(40);
		log_name.setColor( sf::Color(255, 255, 255) );
		log_name.setPosition(90.f, 535.f);

		log_back.setTexture( texture_3, false );
		log_back.setPosition( 0.f, 580.f );

	}

void Actor::createRobotArm(sf::RenderWindow &window, b2World *world, b2FixtureDef &fixture, sf::Texture &texture, sf::Texture &robot_body_texture, int current_index, int body_type, int shape_type)
{
	this->robot_arm = new Object( window, world, fixture, texture, current_index, body_type, shape_type );	
	this->robot_arm->getSprite()->setOrigin( texture.getSize().x / 2.0, 0 );
	

	sf::Vector2f arm_position;
	arm_position.x = this->robot_body->getSprite()->getPosition().x; 
	arm_position.y = this->robot_body->getSprite()->getPosition().y;	
	this->robot_arm->getSprite()->setPosition( arm_position );

	/*
	//arm to body joint
	b2RevoluteJointDef revolute_joint_def;
	revolute_joint_def.bodyA = this->robot_arm->getBody();
	revolute_joint_def.localAnchorA.Set( 0, 1.0 ); //top middle

	revolute_joint_def.bodyB = this->robot_body->getBody();
	revolute_joint_def.localAnchorB.Set( 0.05, 0.6 ); //upper middle of body

	revolute_joint_def.collideConnected = false;
	world->CreateJoint( &revolute_joint_def );
	*/
}

JointPlatform::JointPlatform(sf::Texture& texture, sf::Texture& jointTexture, float initX, float initY, float rotation)
{
	_sprite.setTexture( texture );	
	_sprite.setOrigin( texture.getSize().x / 2.f, texture.getSize().y / 2.f);
	_sprite.setRotation( rotation );

	_bodyDef.position.Set( MathHelper::ToUnit( initX ), MathHelper::ToUnit( initY ) ); 
	_bodyDef.angle = MathHelper::DegreeToRadian( rotation );
	_bodyDef.type = b2_dynamicBody;
	_bodyShape.SetAsBox( 
		MathHelper::ToUnit( texture.getSize().x / 2.f ),
		MathHelper::ToUnit( texture.getSize().y / 2.f )
	);

	cout << "(" << _bodyDef.position.x << "," << _bodyDef.position.y << ")" << endl;
	
	_fixtureDef.shape = &_bodyShape;
	_fixtureDef.density = 10.f;
	_fixtureDef.friction = 0.5f;
	_fixtureDef.restitution = 0.5f;

	//texture for the acnhor or joint
	_jointBodySprite.setTexture( jointTexture );	
	_jointBodySprite.setOrigin( jointTexture.getSize().x / 2.f, jointTexture.getSize().y / 2.f);
	_jointBodySprite.setRotation( 0.0f );

	//setup joint body

	_jointBodyDef.type = b2_staticBody;
	_jointBodyDef.position.Set( MathHelper::ToUnit( initX ), MathHelper::ToUnit( initY ) );

	_jointBodyShape.m_radius = MathHelper::ToUnit( jointTexture.getSize().x / 2.f );
	
	_jointFixtureDef.density = 1.f;
	_jointFixtureDef.shape = &_jointBodyShape;

	//set up joint
	_jointDef.enableMotor = true;
	_jointDef.maxMotorTorque = 15;
	_jointDef.motorSpeed = MathHelper::DegreeToRadian( 360 );
	_jointDef.collideConnected = false;
}

gun::Sprite::Sprite(const sf::Texture& texture)
	: sprite_(sf::Sprite(texture)), draw_order_(0), is_visible_(true)
{
	sprite_.setOrigin((float)(texture.getSize().x / 2), (float)(texture.getSize().y / 2));
}

sf::Vector2f Fonction::centerCorner(const sf::Texture& texture)		{ return H_VECTOR2F(texture.getSize()); }