joshbc

joshbc / ReadBuffer.cpp

Created September 16, 2015 14:03

unsigned char array to long conversion

	typedef int32_t LONG;

	const unsigned char* pData[4];
	int pReadIndex = 0;
	//unsafe
	LONG *p_long = reinterpret_cast< LONG (&)[4] >( pData[pReadIndex] );
	//safe
	LONG aLong = reinterpret_cast<LONG>(pData[pReadIndex++]) \|
	reinterpret_cast<LONG>(pData[pReadIndex++]) << 8 \|
	reinterpret_cast<LONG>(pData[pReadIndex++]) << 16 \|

joshbc / gist:6bfc24166591e3075bad

Created November 6, 2014 11:06

Explode String Shell Script

	string="abc@hotmail.com;xyz@gmail.com;uvw@yahoo.com"
	str1=${string%%;*}
	str3=${string##*;}
	temp=${string#$str1;}
	str2=${temp#;$str3}

joshbc / drawCCRect

Last active August 29, 2015 14:05

cocos2d-x, debug CCSprite boundingBox()

	void CCDrawNode::drawRect(const CCRect &rect, float radius,const ccColor3B &color){
	ccColor4F color4 = ccc4FFromccc3B(color);
	CCPoint pA = rect.origin;
	CCPoint pB = ccp(rect.origin.x+rect.size.width,rect.origin.y);
	CCPoint pC = ccp(rect.origin.x+rect.size.width,rect.origin.y+rect.size.height);;
	CCPoint pD = ccp(rect.origin.x,rect.origin.y+rect.size.height);
	drawSegment(pA,pB,radius,color4);
	drawSegment(pD,pC,radius,color4);
	drawSegment(pA,pD,radius,color4);
	drawSegment(pB,pC,radius,color4);