cocos2d::Vec2 placePointToRect(const cocos2d::Vec2& point, const cocos2d::Rect& rect) { cocos2d::Vec2 result = point; { if (point.x < rect.getMinX()) { result.x = rect.getMinX(); } } { if (point.y < rect.getMinY()) { result.y = rect.getMinY(); } } { if (point.x > rect.getMaxX()) { result.x = rect.getMaxX(); } } { if (point.y > rect.getMaxY()) { result.y = rect.getMaxY(); } } return result; }
tRectInRectResult isRectInsideRect(const cocos2d::Rect & lhs, const cocos2d::Rect & rhs) { bool bMinX = lhs.getMinX() >= rhs.getMinX(); bool bMinY = lhs.getMinY() >= rhs.getMinY(); bool bMaxX = lhs.getMaxX() <= rhs.getMaxX(); bool bMaxY = lhs.getMaxY() <= rhs.getMaxY(); return tRectInRectResult(bMinX, bMinY, bMaxX, bMaxY); }
cocos2d::Vec2 rect_adjustPointInside(const cocos2d::Rect& rect, const cocos2d::Vec2& pt) { cocos2d::Point result; result.x = letBetween(pt.x, rect.getMinX(), rect.getMaxX()); result.y = letBetween(pt.y, rect.getMinY(), rect.getMaxY()); return result; }
cocos2d::Rect placeRectToRect(const cocos2d::Rect& placedRect, const cocos2d::Rect& placeToRect) { cocos2d::Rect result = placedRect; bool bCanBePlacedInside = isRectCanBePlacesInsideRect(placedRect, placeToRect); if (true == bCanBePlacedInside) { auto rectInsideResult = isRectInsideRect(placedRect, placeToRect); if (false == rectInsideResult.bResult) { result.origin = placedRect.origin; if (false == rectInsideResult.bMinX || false == rectInsideResult.bMinY) { Vec2 movePoint(placedRect.getMinX(), placedRect.getMinY()); movePoint = placePointToRect(movePoint, placeToRect) - movePoint; result.origin += movePoint; result = placeRectToRect(result, placeToRect); } else if (false == rectInsideResult.bMaxX || false == rectInsideResult.bMaxY) { Vec2 movePoint(placedRect.getMaxX(), placedRect.getMaxY()); movePoint = placePointToRect(movePoint, placeToRect) - movePoint; result.origin += movePoint; result = placeRectToRect(result, placeToRect); } } } return result; }
cocos2d::Vec2 GameLayer::getIntersection_NPC_and_SPELayerRect(cocos2d::Rect rect ,cocos2d::Point p) { /* D---------C | | A---------B */ Vec2 A(rect.getMinX(),rect.getMinY()); Vec2 B(rect.getMaxX(),rect.getMinY()); Vec2 C(rect.getMaxX(),rect.getMaxY()); Vec2 D(rect.getMinX(),rect.getMaxY()); Vec2 PlayerP = getChildByTag(kTagPlayer)->getPosition(); Vec2 npcP = p; Vec2 point; if ( Vec2::isSegmentIntersect(A, B, PlayerP,p)){ point = Vec2::getIntersectPoint(A,B,PlayerP,p); } else if (Vec2::isSegmentIntersect(B, C, PlayerP, p)){ point = Vec2::getIntersectPoint(B,C, PlayerP, p); } else if (Vec2::isSegmentIntersect(C, D, PlayerP, p)){ point = Vec2::getIntersectPoint(C, D, PlayerP, p); } else if (Vec2::isSegmentIntersect(A, D, PlayerP, p)){ point = Vec2::getIntersectPoint(A, D, PlayerP, p); } return point; }
nav::Circle DelaunayAlgorithm::calculateCircleByRect(const cocos2d::Rect&rect) { CCASSERT(rect.size.width > 0 && rect.size.height > 0, "create circle must rect"); cocos2d::Point center(rect.getMidX(), rect.getMidY()); cocos2d::Point topright(rect.getMaxX(), rect.getMaxY()); float distance = center.getDistance(topright); nav::Circle circle(center, distance); return circle; }
void BlueParticles::SetArea(cocos2d::Rect rect, bool draw) { m_area = rect; m_area.origin += getPosition(); if (draw) { cocos2d::DrawNode* draw = cocos2d::DrawNode::create(); draw->drawRect(cocos2d::Vec2::ZERO, cocos2d::Vec2(m_area.size.width, m_area.size.height), cocos2d::Color4F(1.0f, 0.0f, 0.0f, 0.5f)); addChild(draw); } cocos2d::Rect textRect = cocos2d::Rect(rect.getMidX(), rect.getMidY(), rect.getMaxX() - rect.getMinX(), rect.getMaxY() - rect.getMinY()); this->setTextureRect(rect); cocos2d::Texture2D::TexParams params = cocos2d::Texture2D::TexParams(); params.magFilter = GL_LINEAR; params.minFilter = GL_LINEAR; params.wrapS = GL_REPEAT; params.wrapT = GL_REPEAT; getTexture()->setTexParameters(params); }
void Path::addOval(const cocos2d::Rect& oval) { moveTo(oval.getMaxX(), oval.getMidY()); arcTo(oval.getMidX(), oval.getMidY(), oval.size.width/2, oval.size.height/2, 0.0f, 360.0_to_rad, 0.0f); closePath(); }