Subj : Re: Transparency when using frames/sprites
To : MCMLXXIX
From : Kirkman
Date : Fri Jun 20 2014 02:29 pm
> solution 2: iterate frame.data (this returns the entire graphic you loaded
> in) once, outside of the user input loop. you can do this once, immediately
> after loding the graphic in, so you arent doing it every single time it
> runs through your loop.
So, the second solution definitely sounds better, since I only need to do it
once. I wrote up some code, but the results I'm getting are the same as
before. The sprite looks great in it's initial orientation, but when I move it
a different direction, the mask doesn't match the new orientation.
Using a little debugger function, I see that the maskFrame function is indeed
iterating over all the characters in the entire sprite. So I'm not sure why
this isn't working.
Here's my revised code:
function maskFrame(theFrame) {
var x, y, theArray, theChar;
for (x=0; x<theFrame.data.length; x++) {
theArray = theFrame.data[x];
for (y=0; y<theArray.length; y++) {
theChar = theFrame.data[x][y];
if (theChar.ch == ' ' && theChar.attr < 15) {
theFrame.data[x][y].ch = undefined;
theFrame.data[x][y].attr = undefined;
}
}
}
}
function gamePlay() {
player.sprite = new Sprite.Profile("boy", mapFrame, 1, 1, 'e', 'normal');
maskFrame(player.sprite.frame);
player.sprite.frame.draw();
var userInput = '';
while( ascii(userInput) != 13 ) {
userInput = console.getkey(K_UPPER | K_NOCRLF);
player.sprite.getcmd(userInput);
Sprite.cycle();
mapFrame.cycle();
}
}
--Josh
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