DrawPrimitivesTest.cpp

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/****************************************************************************
 Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.
 
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#include "DrawPrimitivesTest.h"
#include "renderer/CCRenderer.h"
#include "renderer/CCCustomCommand.h"
 
USING_NS_CC;
 
using namespace std;
 
DrawPrimitivesTests::DrawPrimitivesTests()
{
    ADD_TEST_CASE(DrawNodeTest);
    ADD_TEST_CASE(Issue11942Test);
}
 
string DrawPrimitivesBaseTest::title() const
{
    return "No title";
}
 
// DrawNodeTest
DrawNodeTest::DrawNodeTest()
{
    auto s = Director::getInstance()->getWinSize();
    
    auto draw = DrawNode::create();
    addChild(draw, 10);
    
    draw->drawPoint(Vec2(s.width/2-120, s.height/2-120), 10, Color4F(CCRANDOM_0_1(), CCRANDOM_0_1(), CCRANDOM_0_1(), 1));
    
    draw->drawPoint(Vec2(s.width/2+120, s.height/2+120), 10, Color4F(CCRANDOM_0_1(), CCRANDOM_0_1(), CCRANDOM_0_1(), 1));
    
    // draw 4 small points
    Vec2 position[] = { Vec2(60,60), Vec2(70,70), Vec2(60,70), Vec2(70,60) };
    draw->drawPoints( position, 4, 5, Color4F(CCRANDOM_0_1(), CCRANDOM_0_1(), CCRANDOM_0_1(), 1));
 
    // draw a line
    draw->drawLine(Vec2(0,0), Vec2(s.width, s.height), Color4F(1.0, 0.0, 0.0, 0.5));
    
    // draw a rectangle
    draw->drawRect(Vec2(23,23), Vec2(7,7), Color4F(1,1,0,1));
    
    draw->drawRect(Vec2(15,30), Vec2(30,15), Vec2(15,0), Vec2(0,15), Color4F(CCRANDOM_0_1(), CCRANDOM_0_1(), CCRANDOM_0_1(), 1));
    
    // draw a circle
    draw->drawCircle(VisibleRect::center() + Vec2(140,0), 100, CC_DEGREES_TO_RADIANS(90), 50, true, 1.0f, 2.0f, Color4F(1.0f, 0.0f, 0.0f, 0.5f));
    
    draw->drawCircle(VisibleRect::center() - Vec2(140,0), 50, CC_DEGREES_TO_RADIANS(90), 30, false, Color4F(CCRANDOM_0_1(), CCRANDOM_0_1(), CCRANDOM_0_1(), 1.0f));
 
    // Draw some beziers
    draw->drawQuadBezier(Vec2(s.width - 150, s.height - 150), Vec2(s.width - 70, s.height - 10), Vec2(s.width - 10, s.height - 10), 10, Color4F(CCRANDOM_0_1(), CCRANDOM_0_1(), CCRANDOM_0_1(), 0.5f));
    
    draw->drawQuadBezier(Vec2(0.0f, s.height), Vec2(s.width/2, s.height/2), Vec2(s.width, s.height), 50, Color4F(CCRANDOM_0_1(), CCRANDOM_0_1(), CCRANDOM_0_1(), 0.5f));
    
    draw->drawCubicBezier(VisibleRect::center(), Vec2(VisibleRect::center().x+30,VisibleRect::center().y+50), Vec2(VisibleRect::center().x+60,VisibleRect::center().y-50),VisibleRect::right(),100, Color4F(CCRANDOM_0_1(), CCRANDOM_0_1(), CCRANDOM_0_1(), 0.5f));
    
    draw->drawCubicBezier(Vec2(s.width - 250, 40.0f), Vec2(s.width - 70, 100.0f), Vec2(s.width - 30, 250.0f), Vec2(s.width - 10, s.height - 50), 10, Color4F(CCRANDOM_0_1(), CCRANDOM_0_1(), CCRANDOM_0_1(), 0.5f));
    
    auto array = PointArray::create(20);
    array->addControlPoint(Vec2(0.0f,0.0f));
    array->addControlPoint(Vec2(80.0f,80.0f));
    array->addControlPoint(Vec2(s.width-80,80.0f));
    array->addControlPoint(Vec2(s.width-80,s.height-80));
    array->addControlPoint(Vec2(80.0f,s.height-80));
    array->addControlPoint(Vec2(80.0f,80.0f));
    array->addControlPoint(Vec2(s.width/2, s.height/2));
    draw->drawCardinalSpline(array, 0.5f, 50, Color4F(CCRANDOM_0_1(), CCRANDOM_0_1(), CCRANDOM_0_1(), 0.5f));
    
    auto array2 = PointArray::create(20);
    array2->addControlPoint(Vec2(s.width / 2, 30.0f));
    array2->addControlPoint(Vec2(s.width  -80, 30.0f));
    array2->addControlPoint(Vec2(s.width - 80, s.height - 80));
    array2->addControlPoint(Vec2(s.width / 2, s.height - 80));
    array2->addControlPoint(Vec2(s.width / 2, 30.0f));
    draw->drawCatmullRom(array2, 50, Color4F(CCRANDOM_0_1(), CCRANDOM_0_1(), CCRANDOM_0_1(), 0.5f));
    
    // open random color poly
    Vec2 vertices[] = { Vec2(0.0f,0.0f), Vec2(50.0f,50.0f), Vec2(100.0f,50.0f), Vec2(100.0f,100.0f), Vec2(50.0f,100.0f) };
    draw->drawPoly( vertices, 5, false, Color4F(CCRANDOM_0_1(), CCRANDOM_0_1(), CCRANDOM_0_1(), 1.0f));
    
    // closed random color poly
    Vec2 vertices2[] = { Vec2(30.0f,130.0f), Vec2(30.0f,230.0f), Vec2(50.0f,200.0f) };
    draw->drawPoly( vertices2, 3, true, Color4F(CCRANDOM_0_1(), CCRANDOM_0_1(), CCRANDOM_0_1(), 1.0f));
    
    // Draw 10 circles
    for( int i=0; i < 10; i++)
    {
        draw->drawDot(Vec2(s.width/2, s.height/2), 10*(10-i), Color4F(CCRANDOM_0_1(), CCRANDOM_0_1(), CCRANDOM_0_1(), 1.0f));
    }
    
    // Draw polygons
    Vec2 points[] = { Vec2(s.height/4,0.0f), Vec2(s.width,s.height/5), Vec2(s.width/3*2,s.height) };
    draw->drawPolygon(points, sizeof(points)/sizeof(points[0]), Color4F(1.0f,0.0f,0.0f,0.5f), 4, Color4F(0.0f,0.0f,1.0f,0.5f));
    
    // star poly (triggers buggs)
    {
        const float o=80;
        const float w=20;
        const float h=50;
        Vec2 star[] = {
            Vec2(o+w,o-h), Vec2(o+w*2, o),                        // lower spike
            Vec2(o + w*2 + h, o+w ), Vec2(o + w*2, o+w*2),        // right spike
            //              {o +w, o+w*2+h}, {o,o+w*2},                 // top spike
            //              {o -h, o+w}, {o,o},                         // left spike
        };
        
        draw->drawPolygon(star, sizeof(star)/sizeof(star[0]), Color4F(1.0f,0.0f,0.0f,0.5f), 1, Color4F(0.0f,0.0f,1.0f,1.0f));
    }
    
    // star poly (doesn't trigger bug... order is important un tesselation is supported.
    {
        const float o=180;
        const float w=20;
        const float h=50;
        Vec2 star[] = {
            Vec2(o,o), Vec2(o+w,o-h), Vec2(o+w*2, o),        // lower spike
            Vec2(o + w*2 + h, o+w ), Vec2(o + w*2, o+w*2),    // right spike
            Vec2(o +w, o+w*2+h), Vec2(o,o+w*2),               // top spike
            Vec2(o -h, o+w),                                     // left spike
        };
        
        draw->drawPolygon(star, sizeof(star)/sizeof(star[0]), Color4F(1.0f,0.0f,0.0f,0.5f), 1, Color4F(0.0f,0.0f,1.0f,1.0f));
    }
    
    //draw a solid polygon
    Vec2 vertices3[] = {Vec2(60.0f,160.0f), Vec2(70.0f,190.0f), Vec2(100.0f,190.0f), Vec2(90.0f,160.0f)};
    draw->drawSolidPoly( vertices3, 4, Color4F(1.0f,1.0f,0.0f,1.0f) );
    
    //draw a solid rectangle
    draw->drawSolidRect(Vec2(10.0f,10.0f), Vec2(20.0f,20.0f), Color4F(1.0f,1.0f,0.0f,1.0f));
    
    //draw a solid circle
    draw->drawSolidCircle( VisibleRect::center() + Vec2(140.0f,0.0f), 40, CC_DEGREES_TO_RADIANS(90), 50, 2.0f, 2.0f, Color4F(0.0f, 1.0f, 0.0f, 1.0f));
    
    // Draw segment
    draw->drawSegment(Vec2(20.0f,s.height), Vec2(20.0f,s.height/2), 10, Color4F(0.0f, 1.0f, 0.0f, 1.0f));
    
    draw->drawSegment(Vec2(10.0f,s.height/2), Vec2(s.width/2, s.height/2), 40, Color4F(1.0f, 0.0f, 1.0f, 0.5f));
 
    // Draw triangle
    draw->drawTriangle(Vec2(10.0f, 10.0f), Vec2(70.0f, 30.0f), Vec2(100.0f, 140.0f), Color4F(CCRANDOM_0_1(), CCRANDOM_0_1(), CCRANDOM_0_1(), 0.5f));
    
    for (int i = 0; i < 100; i++) {
        draw->drawPoint(Vec2(i*7.0f, 5.0f), (float)i/5+1, Color4F(CCRANDOM_0_1(), CCRANDOM_0_1(), CCRANDOM_0_1(), 1.0f));
    }
 
    auto draw1 = DrawNode::create();
    this->addChild(draw1, 10);
    draw1->setLineWidth(4);
    draw1->drawLine(Vec2(0.0f, s.height), Vec2(s.width, s.height - 20), Color4F::YELLOW);
    draw1->drawLine(Vec2(0.0f, 0.0f), Vec2(s.width, s.height - 20), Color4F::YELLOW);
 
    draw->runAction(RepeatForever::create(Sequence::create(FadeIn::create(1.2),FadeOut::create(1.2), NULL)));
    draw1->runAction(RepeatForever::create(Sequence::create(FadeIn::create(1.2),FadeOut::create(1.2), NULL)));
}
 
string DrawNodeTest::title() const
{
    return "Test DrawNode";
}
 
string DrawNodeTest::subtitle() const
{
    return "Testing DrawNode - batched draws. Concave polygons are BROKEN";
}
 
//
// Issue11942Test
//
Issue11942Test::Issue11942Test()
{
    auto draw = DrawNode::create();
    addChild(draw, 10);
 
    // draw a circle
    draw->setLineWidth(1);
    draw->drawCircle(VisibleRect::center() - Vec2(140.0f,0.0f), 50, CC_DEGREES_TO_RADIANS(90), 30, false, Color4F(CCRANDOM_0_1(), CCRANDOM_0_1(), CCRANDOM_0_1(), 1));
    draw->setLineWidth(10);
    draw->drawCircle(VisibleRect::center() + Vec2(140.0f,0.0f), 50, CC_DEGREES_TO_RADIANS(90), 30, false, Color4F(CCRANDOM_0_1(), CCRANDOM_0_1(), CCRANDOM_0_1(), 1));
}
 
string Issue11942Test::title() const
{
    return "GitHub Issue #11942";
}
 
string Issue11942Test::subtitle() const
{
    return "drawCircle() with width";
}