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Prevent/warn dragging of functions #96

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Prevent/warn dragging of functions #96

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047c17c
Prevent/warn dragging of functions
kungfooman Dec 9, 2020
7c49f4a
Prevent further spam
kungfooman Dec 9, 2020
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31 changes: 24 additions & 7 deletions ganja.js
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Original file line number Diff line number Diff line change
Expand Up @@ -779,13 +779,30 @@
}
return;
}
if (res.sel===undefined || !e.buttons) return;
var resx=res.getBoundingClientRect().width,resy=res.getBoundingClientRect().height,
x=((e.clientX-res.getBoundingClientRect().left)/(resx/4||128)-2)*(resx>resy?resx/resy:1),y=((e.clientY-res.getBoundingClientRect().top)/(resy/4||128)-2)*(resy>resx?resy/resx:1);
x/=options.scale;y/=options.scale;
if (options.conformal) { f[res.sel].set(this.Coeff(1,x,2,-y).Add(no).Add(ni.Scale(0.5*(x*x+y*y))) ) }
else {f[res.sel][drm[2]]=((drm[1]==6)?-x:x)-((tot<4)?2*options.camera.e01:0); f[res.sel][drm[3]]=y+((tot<4)?2*options.camera.e02:0); f[res.sel][drm[1]]=1; f[res.sel].set(f[res.sel].Normalized)}
if (!anim) {var r=build(origf,(!res)||(document.body.contains(res))).innerHTML; if (res) res.innerHTML=r; }
if (res.sel===undefined || !e.buttons)
return;
var sel = f[res.sel];
if (sel instanceof Function) {
res.sel = undefined; // Prevent further spam
console.trace("Functions can't be dragged: ", sel);
return;
}
var {width: resx, height: resy, left: resl, top: rest} = res.getBoundingClientRect();
var x=((e.clientX-resl)/(resx/4||128)-2)*(resx>resy?resx/resy:1);
var y=((e.clientY-rest)/(resy/4||128)-2)*(resy>resx?resy/resx:1);
x/=options.scale;
y/=options.scale;
if (options.conformal) {
sel.set(this.Coeff(1,x,2,-y).Add(no).Add(ni.Scale(0.5*(x*x+y*y))) )
} else {
sel[drm[2]]=((drm[1]==6)?-x:x)-((tot<4)?2*options.camera.e01:0);
sel[drm[3]]=y+((tot<4)?2*options.camera.e02:0);
sel[drm[1]]=1;
sel.set(sel.Normalized)
}
if (!anim) {
var r=build(origf,(!res)||(document.body.contains(res))).innerHTML; if (res) res.innerHTML=r;
}
res.dispatchEvent(new CustomEvent('input')) };
return res;
}
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