Vterrain.cpp

/*
 * Vterrain.cpp
 *
 *  Created on: 8 oct. 2018
 *      Author: lucie
 */

#include "Vterrain.h"

#include "helpers.h"

Vterrain::Vterrain(){
}

Vterrain::Vterrain(b2World* world, sf::RenderWindow& window, config::sTerrain terrainParam, int WINDOW_X_PX, double bodyLength)
: Terrain(world, window, terrainParam, WINDOW_X_PX, bodyLength){
    m_M_TO_PX = WINDOW_X_PX /  (2*m_runaway+m_width);

}

Vterrain::~Vterrain() {
    // TODO Auto-generated destructor stub
}

void Vterrain::create(b2World* world, sf::RenderWindow& window, config::sTerrain terrainParam, int WINDOW_X_PX, double bodyLength){
    Terrain::create(world, window, terrainParam, WINDOW_X_PX, bodyLength);
    m_M_TO_PX = WINDOW_X_PX /  (2*m_runaway+m_width);
    printf("m_M_TO_PX: %f, \n", m_M_TO_PX);
}

void Vterrain::createBody(b2World* world){

    b2BodyDef BodyDef;
    BodyDef.position = b2Vec2(0, 0);
    BodyDef.type = b2_staticBody;
    m_groundBody = world->CreateBody(&BodyDef);

    b2EdgeShape edgeShape;

    b2FixtureDef firstR;
    edgeShape.Set( b2Vec2(0,m_posY), b2Vec2(m_runaway,m_posY) );
    firstR.shape = &edgeShape;
    m_groundBody->CreateFixture(&firstR);

    b2FixtureDef firstSlope;
    edgeShape.Set( b2Vec2(m_runaway,m_posY), b2Vec2(m_runaway+m_width/2,m_posY+m_height) );
    firstSlope.shape = &edgeShape;
    m_groundBody->CreateFixture(&firstSlope);

    b2FixtureDef secondSlope;
    edgeShape.Set( b2Vec2(m_runaway+m_width/2,m_posY+m_height), b2Vec2(m_runaway+m_width,m_posY) );
    secondSlope.shape = &edgeShape;
    m_groundBody->CreateFixture(&secondSlope);

    b2FixtureDef endR;
    edgeShape.Set( b2Vec2(m_runaway+m_width,m_posY), b2Vec2(4*m_runaway+m_width,m_posY) );
    endR.shape = &edgeShape;
    m_groundBody->CreateFixture(&endR);

//
//    b2BodyDef BodyDef;
//    BodyDef.position = b2Vec2(0, 0);
//    BodyDef.type = b2_staticBody;
//    m_groundBody = world->CreateBody(&BodyDef);
//
//  b2EdgeShape edgeShape;
//
//  b2FixtureDef firstR;
//  edgeShape.Set( b2Vec2(0,m_posY), b2Vec2(m_runaway,m_posY) );
//  firstR.shape = &edgeShape;
//  m_groundBody->CreateFixture(&firstR);
//
//  b2FixtureDef firstSlope;
//  edgeShape.Set( b2Vec2(m_runaway,m_posY), b2Vec2(m_runaway+m_height*sin(m_angle),m_posY+m_height*cos(m_angle)) );
//  firstSlope.shape = &edgeShape;
//  m_groundBody->CreateFixture(&firstSlope);
//
//  b2FixtureDef secondSlope;
//  edgeShape.Set( b2Vec2(m_runaway+m_height*sin(m_angle),m_posY+m_height*cos(m_angle)), b2Vec2(m_runaway+2*m_height*sin(m_angle),m_posY) );
//  secondSlope.shape = &edgeShape;
//  m_groundBody->CreateFixture(&secondSlope);
//
//  b2FixtureDef endR;
//  edgeShape.Set( b2Vec2(m_runaway+2*m_height*sin(m_angle),m_posY), b2Vec2(4*m_runaway+2*m_height*sin(m_angle),m_posY) );
//  endR.shape = &edgeShape;
//  m_groundBody->CreateFixture(&endR);
}

void Vterrain::drawBody(sf::RenderWindow& window){
    sf::VertexArray lines(sf::LinesStrip, 5);
    lines[0].position = sf::Vector2f(0, m_posY*m_M_TO_PX);
    lines[1].position = sf::Vector2f(m_runaway*m_M_TO_PX, m_posY*m_M_TO_PX);
    lines[2].position = sf::Vector2f((m_runaway+m_width/2)*m_M_TO_PX, (m_posY+m_height)*m_M_TO_PX);
    lines[3].position = sf::Vector2f((m_runaway+m_width)*m_M_TO_PX, m_posY*m_M_TO_PX);
    lines[4].position = sf::Vector2f((2*m_runaway+m_width)*m_M_TO_PX, m_posY*m_M_TO_PX);

//  lines[0].position = sf::Vector2f(0, m_posY*m_M_TO_PX);
//  lines[1].position = sf::Vector2f(m_runaway*m_M_TO_PX, m_posY*m_M_TO_PX);
//  lines[2].position = sf::Vector2f((m_runaway+m_height*sin(m_angle))*m_M_TO_PX, (m_posY+m_height*cos(m_angle))*m_M_TO_PX);
//  lines[3].position = sf::Vector2f((m_runaway+2*m_height*sin(m_angle))*m_M_TO_PX, m_posY*m_M_TO_PX);
//  lines[4].position = sf::Vector2f((2*m_runaway+2*m_height*sin(m_angle))*m_M_TO_PX, m_posY*m_M_TO_PX);

    lines[0].color = sf::Color::Black;
    lines[1].color = sf::Color::Black;
    lines[2].color = sf::Color::Black;
    lines[3].color = sf::Color::Black;
    lines[4].color = sf::Color::Black;

    window.draw(lines);
}

b2Vec2 Vterrain::getTopLeftCorner(){
    return b2Vec2(m_runaway, m_posY);
}
b2Vec2 Vterrain::getTopRightCorner(){
    return b2Vec2((m_runaway+m_width), m_posY);
}
b2Vec2 Vterrain::getBottom(){
    return b2Vec2((m_runaway+m_width/2), (m_posY+m_height));
}

double Vterrain::getVLength(){
    double l = distance(m_runaway, m_posY, m_runaway+m_width/2, m_posY+m_height);
    l += distance(m_runaway+m_width, m_posY, m_runaway+m_width/2, m_posY+m_height);
    return l;
}

e_terrain_type Vterrain::getType(){
    return V_TERRAIN;
}