axmol/tests/cpp-tests/Classes/DrawPrimitivesTest/DrawPrimitivesTest.cpp

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#include "DrawPrimitivesTest.h"
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#include "renderer/CCRenderer.h"
#include "renderer/CCCustomCommand.h"
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using namespace std;
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static int sceneIdx = -1;
Layer* nextSpriteTestAction();
Layer* backSpriteTestAction();
Layer* restartSpriteTestAction();
typedef Layer* (*NEWDRAWPRIMITIVESFUNC)();
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#define DRAWPRIMITIVES_CREATE_FUNC(className) \
static Layer* create##className() \
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{ return new className(); }
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DRAWPRIMITIVES_CREATE_FUNC(DrawPrimitivesTest);
DRAWPRIMITIVES_CREATE_FUNC(DrawNodeTest);
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static NEWDRAWPRIMITIVESFUNC createFunctions[] =
{
createDrawPrimitivesTest,
createDrawNodeTest,
};
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#define MAX_LAYER (sizeof(createFunctions) / sizeof(createFunctions[0]))
static Layer* nextAction()
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{
sceneIdx++;
sceneIdx = sceneIdx % MAX_LAYER;
auto layer = (createFunctions[sceneIdx])();
layer->autorelease();
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return layer;
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}
static Layer* backAction()
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{
sceneIdx--;
int total = MAX_LAYER;
if( sceneIdx < 0 )
sceneIdx += total;
auto layer = (createFunctions[sceneIdx])();
layer->autorelease();
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return layer;
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}
static Layer* restartAction()
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{
auto layer = (createFunctions[sceneIdx])();
layer->autorelease();
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return layer;
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}
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// BaseLayer
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BaseLayer::BaseLayer()
{
}
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void BaseLayer::onEnter()
{
BaseTest::onEnter();
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}
void BaseLayer::restartCallback(cocos2d::Ref *pSender)
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{
auto s = new DrawPrimitivesTestScene();
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s->addChild(restartAction());
Director::getInstance()->replaceScene(s);
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s->release();
}
void BaseLayer::nextCallback(cocos2d::Ref *pSender)
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{
auto s = new DrawPrimitivesTestScene();;
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s->addChild(nextAction());
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Director::getInstance()->replaceScene(s);
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s->release();
}
void BaseLayer::backCallback(cocos2d::Ref *pSender)
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{
auto s = new DrawPrimitivesTestScene();
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s->addChild(backAction());
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Director::getInstance()->replaceScene(s);
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s->release();
}
string BaseLayer::title() const
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{
return "No title";
}
string BaseLayer::subtitle() const
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{
return "";
}
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// DrawPrimitivesTest
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DrawPrimitivesTest::DrawPrimitivesTest()
{
}
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void DrawPrimitivesTest::draw(Renderer *renderer, const Matrix &transform, bool transformUpdated)
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{
_customCommand.init(_globalZOrder);
_customCommand.func = CC_CALLBACK_0(DrawPrimitivesTest::onDraw, this, transform, transformUpdated);
renderer->addCommand(&_customCommand);
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}
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void DrawPrimitivesTest::onDraw(const Matrix &transform, bool transformUpdated)
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{
Director* director = Director::getInstance();
CCASSERT(nullptr != director, "Director is null when seting matrix stack");
director->pushMatrix(MATRIX_STACK_TYPE::MATRIX_STACK_MODELVIEW);
director->loadMatrix(MATRIX_STACK_TYPE::MATRIX_STACK_MODELVIEW, transform);
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//draw
CHECK_GL_ERROR_DEBUG();
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// draw a simple line
// The default state is:
// Line Width: 1
// color: 255,255,255,255 (white, non-transparent)
// Anti-Aliased
// glEnable(GL_LINE_SMOOTH);
DrawPrimitives::drawLine( VisibleRect::leftBottom(), VisibleRect::rightTop() );
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CHECK_GL_ERROR_DEBUG();
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// line: color, width, aliased
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// glLineWidth > 1 and GL_LINE_SMOOTH are not compatible
// GL_SMOOTH_LINE_WIDTH_RANGE = (1,1) on iPhone
// glDisable(GL_LINE_SMOOTH);
glLineWidth( 5.0f );
DrawPrimitives::setDrawColor4B(255,0,0,255);
DrawPrimitives::drawLine( VisibleRect::leftTop(), VisibleRect::rightBottom() );
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CHECK_GL_ERROR_DEBUG();
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// TIP:
// If you are going to use always thde same color or width, you don't
// need to call it before every draw
//
// Remember: OpenGL is a state-machine.
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// draw big point in the center
DrawPrimitives::setPointSize(64);
DrawPrimitives::setDrawColor4B(0,0,255,128);
DrawPrimitives::drawPoint( VisibleRect::center() );
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CHECK_GL_ERROR_DEBUG();
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// draw 4 small points
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Vector2 points[] = { Vector2(60,60), Vector2(70,70), Vector2(60,70), Vector2(70,60) };
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DrawPrimitives::setPointSize(4);
DrawPrimitives::setDrawColor4B(0,255,255,255);
DrawPrimitives::drawPoints( points, 4);
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CHECK_GL_ERROR_DEBUG();
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// draw a green circle with 10 segments
glLineWidth(16);
DrawPrimitives::setDrawColor4B(0, 255, 0, 255);
DrawPrimitives::drawCircle( VisibleRect::center(), 100, 0, 10, false);
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CHECK_GL_ERROR_DEBUG();
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// draw a green circle with 50 segments with line to center
glLineWidth(2);
DrawPrimitives::setDrawColor4B(0, 255, 255, 255);
DrawPrimitives::drawCircle( VisibleRect::center(), 50, CC_DEGREES_TO_RADIANS(90), 50, true);
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CHECK_GL_ERROR_DEBUG();
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// draw a pink solid circle with 50 segments
glLineWidth(2);
DrawPrimitives::setDrawColor4B(255, 0, 255, 255);
DrawPrimitives::drawSolidCircle( VisibleRect::center() + Vector2(140,0), 40, CC_DEGREES_TO_RADIANS(90), 50, 1.0f, 1.0f);
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CHECK_GL_ERROR_DEBUG();
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// open yellow poly
DrawPrimitives::setDrawColor4B(255, 255, 0, 255);
glLineWidth(10);
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Vector2 vertices[] = { Vector2(0,0), Vector2(50,50), Vector2(100,50), Vector2(100,100), Vector2(50,100) };
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DrawPrimitives::drawPoly( vertices, 5, false);
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CHECK_GL_ERROR_DEBUG();
// filled poly
glLineWidth(1);
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Vector2 filledVertices[] = { Vector2(0,120), Vector2(50,120), Vector2(50,170), Vector2(25,200), Vector2(0,170) };
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DrawPrimitives::drawSolidPoly(filledVertices, 5, Color4F(0.5f, 0.5f, 1, 1 ) );
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// closed purble poly
DrawPrimitives::setDrawColor4B(255, 0, 255, 255);
glLineWidth(2);
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Vector2 vertices2[] = { Vector2(30,130), Vector2(30,230), Vector2(50,200) };
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DrawPrimitives::drawPoly( vertices2, 3, true);
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CHECK_GL_ERROR_DEBUG();
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// draw quad bezier path
DrawPrimitives::drawQuadBezier(VisibleRect::leftTop(), VisibleRect::center(), VisibleRect::rightTop(), 50);
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CHECK_GL_ERROR_DEBUG();
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// draw cubic bezier path
DrawPrimitives::drawCubicBezier(VisibleRect::center(), Vector2(VisibleRect::center().x+30,VisibleRect::center().y+50), Vector2(VisibleRect::center().x+60,VisibleRect::center().y-50),VisibleRect::right(),100);
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CHECK_GL_ERROR_DEBUG();
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//draw a solid polygon
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Vector2 vertices3[] = {Vector2(60,160), Vector2(70,190), Vector2(100,190), Vector2(90,160)};
DrawPrimitives::drawSolidPoly( vertices3, 4, Color4F(1,1,0,1) );
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// restore original values
glLineWidth(1);
DrawPrimitives::setDrawColor4B(255,255,255,255);
DrawPrimitives::setPointSize(1);
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CHECK_GL_ERROR_DEBUG();
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//end draw
director->popMatrix(MATRIX_STACK_TYPE::MATRIX_STACK_MODELVIEW);
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}
string DrawPrimitivesTest::title() const
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{
return "draw primitives";
}
string DrawPrimitivesTest::subtitle() const
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{
return "Drawing Primitives. Use DrawNode instead";
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}
// DrawNodeTest
DrawNodeTest::DrawNodeTest()
{
auto s = Director::getInstance()->getWinSize();
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auto draw = DrawNode::create();
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addChild(draw, 10);
// Draw 10 circles
for( int i=0; i < 10; i++)
{
draw->drawDot(Vector2(s.width/2, s.height/2), 10*(10-i), Color4F(CCRANDOM_0_1(), CCRANDOM_0_1(), CCRANDOM_0_1(), 1));
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}
// Draw polygons
Vector2 points[] = { Vector2(s.height/4,0), Vector2(s.width,s.height/5), Vector2(s.width/3*2,s.height) };
draw->drawPolygon(points, sizeof(points)/sizeof(points[0]), Color4F(1,0,0,0.5), 4, Color4F(0,0,1,1));
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// star poly (triggers buggs)
{
const float o=80;
const float w=20;
const float h=50;
Vector2 star[] = {
Vector2(o+w,o-h), Vector2(o+w*2, o), // lower spike
Vector2(o + w*2 + h, o+w ), Vector2(o + w*2, o+w*2), // right spike
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// {o +w, o+w*2+h}, {o,o+w*2}, // top spike
// {o -h, o+w}, {o,o}, // left spike
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};
draw->drawPolygon(star, sizeof(star)/sizeof(star[0]), Color4F(1,0,0,0.5), 1, Color4F(0,0,1,1));
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}
// 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;
Vector2 star[] = {
Vector2(o,o), Vector2(o+w,o-h), Vector2(o+w*2, o), // lower spike
Vector2(o + w*2 + h, o+w ), Vector2(o + w*2, o+w*2), // right spike
Vector2(o +w, o+w*2+h), Vector2(o,o+w*2), // top spike
Vector2(o -h, o+w), // left spike
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};
draw->drawPolygon(star, sizeof(star)/sizeof(star[0]), Color4F(1,0,0,0.5), 1, Color4F(0,0,1,1));
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}
// Draw segment
draw->drawSegment(Vector2(20,s.height), Vector2(20,s.height/2), 10, Color4F(0, 1, 0, 1));
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draw->drawSegment(Vector2(10,s.height/2), Vector2(s.width/2, s.height/2), 40, Color4F(1, 0, 1, 0.5));
// Draw triangle
draw->drawTriangle(Vector2(10, 10), Vector2(70, 30), Vector2(100, 140), Color4F(CCRANDOM_0_1(), CCRANDOM_0_1(), CCRANDOM_0_1(), 0.5));
// Draw some beziers
draw->drawQuadraticBezier(Vector2(s.width - 150, s.height - 150), Vector2(s.width - 70, s.height - 10), Vector2(s.width - 10, s.height - 10), 10, Color4F(CCRANDOM_0_1(), CCRANDOM_0_1(), CCRANDOM_0_1(), 0.5));
draw->drawCubicBezier(Vector2(s.width - 250, 40), Vector2(s.width - 70, 100), Vector2(s.width - 30, 250), Vector2(s.width - 10, s.height - 50), 10, Color4F(CCRANDOM_0_1(), CCRANDOM_0_1(), CCRANDOM_0_1(), 0.5));
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}
string DrawNodeTest::title() const
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{
return "Test DrawNode";
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}
string DrawNodeTest::subtitle() const
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{
return "Testing DrawNode - batched draws. Concave polygons are BROKEN";
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}
void DrawPrimitivesTestScene::runThisTest()
{
auto layer = nextAction();
addChild(layer);
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Director::getInstance()->replaceScene(this);
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}