dwitter.net | #light

+ New dweet
show FPS hide FPS
function u(t) {
} //
122/140

Please log in (or register) to post a dweet (copy-paste the code somewhere safe to save it meanwhile)


u(t) is called 60 times per second. t: Elapsed time in seconds. S: Shorthand for Math.sin. C: Shorthand for Math.cos. T: Shorthand for Math.tan. R: Function that generates rgba-strings, usage ex.: R(255, 255, 255, 0.5) c: A 1920x1080 canvas. x: A 2D context for that canvas.
Try the new frontend: beta.dwitter.net
Current theme challenge: #Food
show FPS hide FPS share fullscreen
yonatan

function u(t) {

}//
139/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

  • uncompressed: for(p in x)this[p[0]+p[6]]=p;x[fc](0,0,q=c.width=c.height=98,q);for(x[gC]='lighter',i=20;i--;s=2**i)i>5?x[fc](S(t)*55+i*6,40,4,9,x[fy]=hsl(${i*39},39%,2%):x[da](c,-s,-s,b=q+s*2,b)

Please log in (or register) to comment.

show FPS hide FPS share fullscreen
yonatan
remix of d/9345 by u/yonatan

function u(t) {

}//
140/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

Please log in (or register) to comment.

show FPS hide FPS share fullscreen
tomxor
remix of d/28068 by u/tomxor

function u(t) {

}//
139/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

  • If Wolfenstein 3D had Dynamic Lighting

Please log in (or register) to comment.

show FPS hide FPS share fullscreen
rodrigo.siqueira
remix of d/26119 by u/cantelope

function u(t) {

}//
138/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

  • Firefly simulator. #light

Please log in (or register) to comment.

show FPS hide FPS share fullscreen
ooommmooo

function u(t) {

}//
140/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

Please log in (or register) to comment.

show FPS hide FPS share fullscreen
rodrigo.siqueira
remix of d/31658 by u/rodrigo.siqueira

function u(t) {

}//
135/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

  • Blue flame (it takes 25 seconds to complete) #light

Please log in (or register) to comment.

show FPS hide FPS share 2 remixes fullscreen
danny@hille.dk

function u(t) {

}//
130/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

  • Blue orb

Please log in (or register) to comment.

show FPS hide FPS share 1 remix fullscreen
UEZ

function u(t) {

}//
138/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

  • Show more comments…
  • u/tomxor
    Nice, very convincing
  • u/PotatoImaginator
    How does this work? Can someone explain it to me?
  • u/tomxor
    It's a 2D approximation in screen space of physically based ray tracing effects. The sphere, specular highlight, and a caustic shadow are drawn as three independent shapes with a painters algorithm type logic. It's very effective though, almost had me fooled.
  • u/UEZ
    There is no real 3D or ray tracing here. It's a 2D drawing that just pretends. Each pixel asks: ball or floor? The ball is almost as gray as the floor, with a shaded edge and a white reflection. The shadow is an oval with a bright spot in the middle, where the glass focuses the light.

Please log in (or register) to comment.

show FPS hide FPS share fullscreen
UEZ

function u(t) {

}//
140/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

Please log in (or register) to comment.

show FPS hide FPS share fullscreen
UEZ

function u(t) {

}//
140/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

Please log in (or register) to comment.

Loading...
Next page