void TransformHelp::matrixToNode(const CCAffineTransform &matrix, Node &node)
{
/*
* In as3 language, there is a function called "deltaTransformPoint", it calculate a point used give Transform
* but not used the tx, ty value. we simulate the function here
*/
helpPoint1.x = 0;
helpPoint1.y = 1;
helpPoint1 = CCPointApplyAffineTransform(helpPoint1, matrix);
helpPoint1.x -= matrix.tx;
helpPoint1.y -= matrix.ty;
helpPoint2.x = 1;
helpPoint2.y = 0;
helpPoint2 = CCPointApplyAffineTransform(helpPoint2, matrix);
helpPoint2.x -= matrix.tx;
helpPoint2.y -= matrix.ty;
node.skewX = -(atan2f(helpPoint1.y, helpPoint1.x) - 1.5707964f);
node.skewY = atan2f(helpPoint2.y, helpPoint2.x);
node.scaleX = sqrt(matrix.a * matrix.a + matrix.b * matrix.b);
node.scaleY = sqrt(matrix.c * matrix.c + matrix.d * matrix.d);
node.x = matrix.tx;
node.y = matrix.ty;
}
NoPL_FunctionValue Node::evaluateFunction(const char* functionName, const NoPL_FunctionValue* argv, unsigned int argc)
{
NoPL_FunctionValue returnVal;
returnVal.type = NoPL_DataType_Uninitialized;
if(node)
{
if(argc == 0)
{
if(!strcmp(functionName, "worldPositionX"))
{
returnVal.numberValue = node->convertToWorldSpaceAR(cocos2d::CCPointZero).x;
returnVal.type = NoPL_DataType_Number;
}
else if(!strcmp(functionName, "worldPositionY"))
{
returnVal.numberValue = node->convertToWorldSpaceAR(cocos2d::CCPointZero).y;
returnVal.type = NoPL_DataType_Number;
}
}
else if(!strcmp(functionName, "hitTest"))
{
if(argc == 2 &&
argv[0].type == NoPL_DataType_Number &&
argv[1].type == NoPL_DataType_Number)
{
returnVal.booleanValue = (node->hitTest(cocos2d::CCPoint(argv[0].numberValue, argv[1].numberValue)));
returnVal.type = NoPL_DataType_Boolean;
}
else if(argc == 1 && argv[0].type == NoPL_DataType_Pointer)
{
cocos2d::CCObject* arg = (cocos2d::CCObject*)argv[0].pointerValue;
Node* otherNode = dynamic_cast<Node*>(arg);
if(otherNode && otherNode->getCCNode())
{
//get the transforms for each node
cocos2d::CCAffineTransform thisTransform = node->nodeToWorldTransform();
cocos2d::CCAffineTransform nodeTransform = otherNode->getCCNode()->nodeToWorldTransform();
//create a rect for each node in the same coord system
cocos2d::CCRect thisRect;
thisRect.origin = CCPointApplyAffineTransform(cocos2d::CCPoint(0,0), thisTransform);
thisRect.size = CCSizeApplyAffineTransform(node->getContentSize(), thisTransform);
cocos2d::CCRect nodeRect;
nodeRect.origin = CCPointApplyAffineTransform(cocos2d::CCPoint(0,0), nodeTransform);
nodeRect.size = CCSizeApplyAffineTransform(otherNode->getCCNode()->getContentSize(), nodeTransform);
//return the result of the hit test
returnVal.booleanValue = thisRect.intersectsRect(nodeRect);
returnVal.type = NoPL_DataType_Boolean;
}
}
}
}
if(returnVal.type == NoPL_DataType_Uninitialized)
return Node_Base::evaluateFunction(functionName, argv, argc);
return returnVal;
}
void GHBoneSkin::transform()
{
if(sprite == NULL || bone == NULL)return;
float degrees = bone->degrees();
CCPoint posOffset = positionOffset;
CCPoint bonePos = ccp(((GHBone*)bone->getParent())->getPosition().x,
((GHBone*)bone->getParent())->getPosition().y);
CCAffineTransform transformOffset = CCAffineTransformTranslate(CCAffineTransformMakeIdentity(), bonePos.x, bonePos.y);
CCAffineTransform transform = CCAffineTransformRotate(CCAffineTransformMakeIdentity(),
CC_DEGREES_TO_RADIANS(degrees - angleOffset));
//we need 2 points
//origin - upward point, in order to calculate new position and new angle
CCPoint origin = ccp(0,0);
CCPoint upward = ccp(0, -10);
CCAffineTransform transform3 = CCAffineTransformRotate(CCAffineTransformMakeIdentity(),
CC_DEGREES_TO_RADIANS(degrees - angleOffset - connectionAngle));
posOffset = CCPointApplyAffineTransform(posOffset, transform3);
origin = CCPointApplyAffineTransform(origin, transform);
upward = CCPointApplyAffineTransform(upward, transform);
origin = CCPointApplyAffineTransform(origin, transformOffset);
upward = CCPointApplyAffineTransform(upward, transformOffset);
//now that we have the 2 points - lets calculate the angle
float newAngle = (atan2(upward.y - origin.y,
upward.x - origin.x)*180.0)/M_PI + 90.0;
sprite->setPosition(ccp(origin.x + posOffset.x, origin.y - posOffset.y));
sprite->setRotation(newAngle);
}
void MissileAttack::resetPosition()
{
CCPoint p(0, distance);
CCAffineTransform transform = CCAffineTransformRotate(CCAffineTransformIdentity, angle);
p = CCPointApplyAffineTransform(p, transform);
missile->setRotation(-angle / M_PI * 180);
missile->setPosition(p);
p = CCPoint(0, 120);
transform = CCAffineTransformRotate(CCAffineTransformIdentity, angle);
p = CCPointApplyAffineTransform(p, transform);
aim->setRotation(-angle / M_PI * 180);
aim->setPosition(p);
}
//------------------------------------------------------------------------------
void QLabel::CalculateSize( void)
{
CCPoint bottom_left( 0.0f, 0.0f);
CCSize content_size = m_CCFontNode->getContentSize();
CCPoint top_right( content_size.width, content_size.height);
CCAffineTransform to_parent = CCAffineTransformConcat(m_CCFontNode->nodeToParentTransform(), m_CCNode->nodeToParentTransform());
bottom_left = CCPointApplyAffineTransform( bottom_left, to_parent);
top_right = CCPointApplyAffineTransform( top_right, to_parent);
xText = bottom_left.x;
yText = bottom_left.y;
wText = top_right.x - bottom_left.x;
hText = top_right.y - bottom_left.y;
}
CCPoint CCNode::convertToWorldSpace(CCPoint nodePoint)
{
CCPoint ret;
if(CC_CONTENT_SCALE_FACTOR() == 1)
{
ret = CCPointApplyAffineTransform(nodePoint, nodeToWorldTransform());
}
else
{
ret = ccpMult( nodePoint, CC_CONTENT_SCALE_FACTOR() );
ret = CCPointApplyAffineTransform(ret, nodeToWorldTransform());
ret = ccpMult( ret, 1/CC_CONTENT_SCALE_FACTOR() );
}
return ret;
}
void NormalAttack::resetPosition()
{
CCPoint p(0, distance);
CCAffineTransform transform = CCAffineTransformRotate(CCAffineTransformIdentity, angle);
p = CCPointApplyAffineTransform(p, transform);
sprite->setRotation(-angle / M_PI * 180);
sprite->setPosition(p);
}
CCRect CCRectApplyAffineTransform(const CCRect& rect, const CCAffineTransform& anAffineTransform)
{
float top = CCRect::CCRectGetMinY(rect);
float left = CCRect::CCRectGetMinX(rect);
float right = CCRect::CCRectGetMaxX(rect);
float bottom = CCRect::CCRectGetMaxY(rect);
CCPoint topLeft = CCPointApplyAffineTransform(CCPointMake(left, top), anAffineTransform);
CCPoint topRight = CCPointApplyAffineTransform(CCPointMake(right, top), anAffineTransform);
CCPoint bottomLeft = CCPointApplyAffineTransform(CCPointMake(left, bottom), anAffineTransform);
CCPoint bottomRight = CCPointApplyAffineTransform(CCPointMake(right, bottom), anAffineTransform);
float minX = std::min(std::min(topLeft.x, topRight.x), std::min(bottomLeft.x, bottomRight.x));
float maxX = std::max(std::max(topLeft.x, topRight.x), std::max(bottomLeft.x, bottomRight.x));
float minY = std::min(std::min(topLeft.y, topRight.y), std::min(bottomLeft.y, bottomRight.y));
float maxY = std::max(std::max(topLeft.y, topRight.y), std::max(bottomLeft.y, bottomRight.y));
return CCRectMake(minX, minY, (maxX - minX), (maxY - minY));
}
CCAffineTransform CCSkin::nodeToWorldTransformAR()
{
CCAffineTransform displayTransform = m_sTransform;
CCPoint anchorPoint = m_obAnchorPointInPoints;
anchorPoint = CCPointApplyAffineTransform(anchorPoint, displayTransform);
displayTransform.tx = anchorPoint.x;
displayTransform.ty = anchorPoint.y;
return CCAffineTransformConcat(displayTransform, m_pBone->getArmature()->nodeToWorldTransform());
}
void CCDisplayFactory::updateDisplay(CCBone *bone, float dt, bool dirty)
{
CCNode *display = bone->getDisplayRenderNode();
CS_RETURN_IF(!display);
switch(bone->getDisplayRenderNodeType())
{
case CS_DISPLAY_SPRITE:
if (dirty)
{
(static_cast<CCSkin*>(display))->updateArmatureTransform();
}
break;
case CS_DISPLAY_PARTICLE:
updateParticleDisplay(bone, display, dt);
break;
case CS_DISPLAY_ARMATURE:
updateArmatureDisplay(bone, display, dt);
break;
default:
display->setAdditionalTransform(bone->nodeToArmatureTransform());
break;
}
#if ENABLE_PHYSICS_BOX2D_DETECT || ENABLE_PHYSICS_CHIPMUNK_DETECT || ENABLE_PHYSICS_SAVE_CALCULATED_VERTEX
if (dirty)
{
CCDecorativeDisplay *decoDisplay = bone->getDisplayManager()->getCurrentDecorativeDisplay();
CCColliderDetector *detector = decoDisplay->getColliderDetector();
if (detector)
{
do
{
#if ENABLE_PHYSICS_BOX2D_DETECT
CC_BREAK_IF(!detector->getBody());
#elif ENABLE_PHYSICS_CHIPMUNK_DETECT
CC_BREAK_IF(!detector->getBody());
#endif
CCAffineTransform displayTransform = display->nodeToParentTransform();
CCPoint anchorPoint = display->getAnchorPointInPoints();
anchorPoint = CCPointApplyAffineTransform(anchorPoint, displayTransform);
displayTransform.tx = anchorPoint.x;
displayTransform.ty = anchorPoint.y;
CCAffineTransform t = CCAffineTransformConcat(displayTransform, bone->getArmature()->nodeToParentTransform());
detector->updateTransform(t);
}
while (0);
}
}
#endif
}
void CCDisplayFactory::updateDisplay(CCBone *bone, CCDecorativeDisplay *decoDisplay, float dt, bool dirty)
{
CS_RETURN_IF(!decoDisplay);
#if ENABLE_PHYSICS_BOX2D_DETECT || ENABLE_PHYSICS_CHIPMUNK_DETECT
if (dirty)
{
CCColliderDetector *detector = decoDisplay->getColliderDetector();
if (detector)
{
do
{
#if ENABLE_PHYSICS_BOX2D_DETECT
CC_BREAK_IF(!detector->getBody());
#elif ENABLE_PHYSICS_CHIPMUNK_DETECT
CC_BREAK_IF(!detector->getBody());
#endif
CCNode *node = decoDisplay->getDisplay();
CCAffineTransform displayTransform = node->nodeToParentTransform();
CCPoint anchorPoint = node->getAnchorPointInPoints();
anchorPoint = CCPointApplyAffineTransform(anchorPoint, displayTransform);
displayTransform.tx = anchorPoint.x;
displayTransform.ty = anchorPoint.y;
CCAffineTransform t = CCAffineTransformConcat(displayTransform, bone->getArmature()->nodeToParentTransform());
detector->updateTransform(t);
}
while (0);
}
}
#endif
CCNode *display = decoDisplay->getDisplay();
switch(decoDisplay->getDisplayData()->displayType)
{
case CS_DISPLAY_SPRITE:
updateSpriteDisplay(bone, display, dt, dirty);
break;
case CS_DISPLAY_PARTICLE:
updateParticleDisplay(bone, display, dt, dirty);
break;
case CS_DISPLAY_ARMATURE:
updateArmatureDisplay(bone, display, dt, dirty);
break;
default:
{
display->setAdditionalTransform(bone->nodeToArmatureTransform());
}
break;
}
}
bool MissileAttack::enable()
{
if (distance < 120)
{
CCPoint p(0, -10);
CCAffineTransform transform = CCAffineTransformRotate(CCAffineTransformIdentity, angle);
p = CCPointApplyAffineTransform(p, transform);
CCMoveBy * move = CCMoveBy::create(0.1f, p);
CCActionInterval * rev = move->reverse();
CCAction * seq = CCSequence::create(move, rev, NULL);
getParent()->runAction(seq);
return false;
}
return true;
}
bool MissileAttack::hit(cocos2d::CCSprite *player)
{
if (isHit)
return false;
CCPoint p1(0, distance - missile->getContentSize().height / 2);
CCAffineTransform transform = CCAffineTransformRotate(CCAffineTransformIdentity, angle);
p1 = CCPointApplyAffineTransform(p1, transform);
CCPoint p2 = player->getPosition();
float dist = sqrtf(powf(p1.x - p2.x, 2) + powf(p1.y - p2.y, 2));
if (dist < player->getContentSize().width / 2)
return isHit = true;
return false;
}
