TinyShooter/Physics/Wall.cpp

//
// Created by jovian on 18/07/17.
//

#include "Wall.h"
#include <cstdlib>

Wall::Wall(b2Vec2 pos, b2World* physics, WallShape shape)
: Entity(WALL, 0, physics){
    
    // Creation of physical body
    b2BodyDef bodyDef;
    bodyDef.type = b2_staticBody;
    bodyDef.position = pos;
    m_body = physics->CreateBody(&bodyDef);

    // Creation of shape
    b2PolygonShape boxShape;
    switch (shape)
    {
        case TINY :
            boxShape.SetAsBox(80.0f / DEFAULT_ZOOM, 80.0f / DEFAULT_ZOOM);
            m_imgId = (unsigned int) (2 + rand() % 4);
            break;
        case HIGH :
            boxShape.SetAsBox(80.0f / DEFAULT_ZOOM, 160.0f / DEFAULT_ZOOM);
            m_imgId = (unsigned int) (6 + rand() % 4);
            break;
        case WIDE :
            boxShape.SetAsBox(160.0f / DEFAULT_ZOOM, 80.0f / DEFAULT_ZOOM);
            m_imgId = (unsigned int) (21 + rand() % 4);
            break;
        case BIG :
            boxShape.SetAsBox(160.0f / DEFAULT_ZOOM, 160.0f / DEFAULT_ZOOM);
            m_imgId = (unsigned int) (25 + rand() % 4);
            break;
    }

    // Definition of fixture
    b2FixtureDef fixtureDef;
    fixtureDef.shape = &boxShape;
    fixtureDef.friction = 1.0f;

    // Creation of fixture
    m_body->CreateFixture(&fixtureDef);

    // Link this wall
    establishPhysicalLink();
}

void Wall::update() {
    // Nothing happens ... the wall can't move !
}