Files
FreeJ/scripts/javascript/examples/wii_star.js
2008-12-02 01:47:39 +01:00

107 lines
2.0 KiB
JavaScript

// freej example script by jaromil
// this simply draws i kind of star
// it also shows the usage of keyboard controller
// press 'q' to quit while running
include("param.js");
param = new Array();
param[0] = new Param(this, "px", 100, 150, 0, 1024, 500);
param[1] = new Param(this, "py", 100, 150, 0, 768, 500);
param[2] = new Param(this, "pz", 100, 150, 0, 1000, 500);
wii = new WiiController();
x = 100;
y = 100;
s = 30 / 0.383;
s2 = s;
PI = 3.141592654;
c = PI * 2;
o = -PI / 2;
wii.acceleration = function(ax,ay,az) {
param[0].setValue(ax);
param[1].setValue(ay);
param[2].setValue(az);
x = param[0].out_value;
y = param[1].out_value;
z = param[2].out_value;
}
function drawStar(lay, s_mul, s2_mul) {
s = s_mul / 0.383;
s2 = s / s2_mul;
var cx;
for(cx=0; cx<10; cx++) {
k = cx/10;
kn = k+0.1;
x1 = x+s * Math.cos(o + k*c);
y1 = y+s * Math.sin(o + k*c);
x2 = x+s2 * Math.cos(o + kn*c);
y2 = y+s2 * Math.sin(o + kn*c);
x1 = Math.floor(x1);
y1 = Math.floor(y1);
x2 = Math.floor(x2);
y2 = Math.floor(y2);
// debug("drawing star line:" + x1 + "," + y1 + " " + x2 + "," + y2);
// lay.line( x.toPrecision()+s.toPrecision() * Math.cos(o + k*c),
// y+s * Math.sin(o + k*c),
// x+s2 * Math.cos(o + kn*c),
// y+s2 * Math.sin(o + kn*c) );
lay.aaline(x1, y1, x2, y2);
}
}
if(wii.connect())
register_controller(wii);
wii.toggle_accel();
kbd = new KeyboardController();
kbd.pressed_esc = function() { quit(); }
kbd.released_q = function() { quit(); }
register_controller( kbd );
geo = new GeometryLayer();
geo.color(255,255,255,255);
geo.set_blit("alpha");
geo.set_blit_value(0.1);
geo.set_fps();
geo.start();
geo.activate(true);
add_layer(geo);
//drawStar(geo,30,1);
cc = 1;
srand();
bang = new TriggerController();
register_controller(bang);
bang.frame = function() {
cc += 0.05;
geo.color(rand()%255, rand()%255, rand()%255, 0xff);
drawStar(geo, 30, Math.sin(cc));
if(cc>4.0) {
cc = 1;
srand();
}
}