mizchi

非破壊 TypeSctript

mizchi / TypeScript Meetup 2

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About

• mizchi / 竹馬光太郎
• フロントエンドと Node.js

sketchpunk

var blob	= window.atob("AAAAAAAAAAAAAAAAAACAPwAAAAAAAAAAAAAAAAAAgD8AAAAA"),	// Base64 string converted to a char array
	fLen	= blob.length / Float32Array.BYTES_PER_ELEMENT,						// How many floats can be made, but be even
	dView	= new DataView( new ArrayBuffer(Float32Array.BYTES_PER_ELEMENT) ),	// ArrayBuffer/DataView to convert 4 bytes into 1 float.
	fAry	= new Float32Array(fLen),											// Final Output at the correct size
	p		= 0;																// Position

for(var j=0; j < fLen; j++){
	p = j * 4;
	dView.setUint8(0,blob.charCodeAt(p));
	dView.setUint8(1,blob.charCodeAt(p+1));

hanigamal

// Assume Coord has members x(), y() and z() and supports arithmetic operations
// that is Coord u + Coord v = u.x() + v.x(), u.y() + v.y(), u.z() + v.z()

inline Point
dot(const Coord& u, const Coord& v) 
{
	return u.x() * v.x() + u.y() * v.y() + u.z() * v.z();   
}

inline Point