drawImage:
function
(data){[/align]
var
that = this
var
p10= data[0][0];
var
p11= data[0][1];
var
p12= data[0][2];
var
p13= data[0][3];
var
p20= data[1][0];
var
p21= data[1][1];
var
p22= data[1][2];
var
p23= data[1][3];
var
p30= data[2][0];
var
p31= data[2][1];
var
p32= data[2][2];
var
p33= data[2][3];
var
t = factor.t;
var
cx1 = 3*(p11.x-p10.x);
var
bx1 = 3*(p12.x-p11.x)-cx1;
var
ax1 = p13.x-p10.x-cx1-bx1;
var
cy1 = 3*(p11.y-p10.y);
var
by1 = 3*(p12.y-p11.y)-cy1;
var
ay1 = p13.y-p10.y-cy1-by1;
var
xt1 = ax1*(t*t*t)+bx1*(t*t)+cx1*t+p10.x;
var
yt1 = ay1*(t*t*t)+by1*(t*t)+cy1*t+p10.y;
var
cx2 = 3*(p21.x-p20.x);
var
bx2 = 3*(p22.x-p21.x)-cx2;
var
ax2 = p23.x-p20.x-cx2-bx2;
var
cy2 = 3*(p21.y-p20.y);
var
by2 = 3*(p22.y-p21.y)-cy2;
var
ay2 = p23.y-p20.y-cy2-by2;
var
xt2 = ax2*(t*t*t)+bx2*(t*t)+cx2*t+p20.x;
var
yt2 = ay2*(t*t*t)+by2*(t*t)+cy2*t+p20.y;
var
cx3 = 3*(p31.x-p30.x);
var
bx3 = 3*(p32.x-p31.x)-cx3;
var
ax3 = p33.x-p30.x-cx3-bx3;
var
cy3 = 3*(p31.y-p30.y);
var
by3 = 3*(p32.y-p31.y)-cy3;
var
ay3 = p33.y-p30.y-cy3-by3;
var
xt3 = ax3*(t*t*t)+bx3*(t*t)+cx3*t+p30.x;
var
yt3 = ay3*(t*t*t)+by3*(t*t)+cy3*t+p30.y;
factor.t +=factor.speed;
ctx.drawImage(
"../../images/heart1.png"
,xt1,yt1,30,30);
ctx.drawImage(
"../../images/heart2.png"
,xt2,yt2,30,30);
ctx.drawImage(
"../../images/heart3.png"
,xt3,yt3,30,30);
ctx.draw();
if
(factor.t>1){
factor.t=0;
cancelAnimationFrame(timer);
that.startTimer();
}
else
{
timer =requestAnimationFrame(
function
(){
that.drawImage([[{x:30,y:400},{x:70,y:300},{x:-50,y:150},{x:30,y:0}],[{x:30,y:400},{x:30,y:300},{x:80,y:150},{x:30,y:0}],[{x:30,y:400},{x:0,y:90},{x:80,y:100},{x:30,y:0}]])
})
}}