25 lines
494 B
JavaScript
25 lines
494 B
JavaScript
function alpha(value, color) {
|
|
return value << 24 | (color & 0x00FFFFFF);
|
|
}
|
|
|
|
function argb(a, r, g, b) {
|
|
return a << 24 | r << 16 | g << 8 | b;
|
|
}
|
|
|
|
function assert(condition) {
|
|
if (!condition) debugger;
|
|
}
|
|
|
|
function isAlpha(code) {
|
|
return (code > 64 && code < 91) // upper alpha (A-Z)
|
|
|| (code > 96 && code < 123); // lower alpha (a-z)
|
|
}
|
|
|
|
function isArray(a) {
|
|
return a.constructor === Array;
|
|
}
|
|
|
|
function rgb(r, g, b) {
|
|
return 0xFF << 24 | r << 16 | g << 8 | b;
|
|
}
|