ios_project/proj.ios_mac/cocos2d-x/cocos/renderer/scene/assembler/SimpleSprite3D.cpp

/****************************************************************************
Copyright (c) 2019 Xiamen Yaji Software Co., Ltd.

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#include "SimpleSprite3D.hpp"

RENDERER_BEGIN

SimpleSprite3D::SimpleSprite3D()
{
    
}

SimpleSprite3D::~SimpleSprite3D()
{
    
}

void SimpleSprite3D::generateWorldVertices()
{
    RenderData* data = _datas->getRenderData(0);
    float* verts = (float*)data->getVertices();
    
    auto floatsPerVert = _bytesPerVertex / sizeof(float);
    
    std::size_t dstOffset = 0;
    
    float vl = _localData[0],
    vr = _localData[2],
    vb = _localData[1],
    vt = _localData[3];
    
    // left bottom
    verts[dstOffset] = vl;
    verts[dstOffset+1] = vb;
    verts[dstOffset+2] = 0;
    
    dstOffset += floatsPerVert;
    
    // right bottom
    verts[dstOffset] = vr;
    verts[dstOffset+1] = vb;
    verts[dstOffset+2] = 0;
    
    dstOffset += floatsPerVert;
    
    // left top
    verts[dstOffset] = vl;
    verts[dstOffset+1] = vt;
    verts[dstOffset+2] = 0;
    
    dstOffset += floatsPerVert;
    
    // right top
    verts[dstOffset] = vr;
    verts[dstOffset+1] = vt;
    verts[dstOffset+2] = 0;
}

RENDERER_END