-
-
Notifications
You must be signed in to change notification settings - Fork 492
circb
TimotheeGreg edited this page Aug 24, 2023
·
12 revisions
circb (x, y, radius, color)
- x, y : the coordinates of the circle's center
- radius : the radius of the circle in pixels
- color: the index of the desired color in the current palette
Draws the circumference of a circle with its center at x, y using the radius and color requested. It uses the Bresenham algorithm.
-- title: circb demo
-- author: Filippo
-- desc: circb wiki demo
-- script: lua
-- pal: arne16
a=0
space=10
function TIC()
cls()
for i=0,200,space do
circb(120+80*math.sin(a),
68+40*math.cos(a),
i+time()/40%space,
8)
circb(120+80*math.sin(a/2),
68+40*math.cos(a/2),
i+time()/40%space,
8) end
a=a+math.pi/240
end
TIC-80 tiny computer https://tic80.com | Twitter | Telegram | Terms
Built-in Editors
Console
Platform
RAM & VRAM | Display | Palette | Bits per Pixel (BPP) |
.tic
Format | Supported Languages
Other
Tutorials | Code Snippets | Libraries | External Tools | FFT
API
- BDR (0.90)
- BOOT (1.0)
- MENU
- OVR (deprecated)
- SCN (deprecated)
- TIC
- btn & btnp
- circ & circb
- clip
- cls
- elli & ellib (0.90)
- exit
- fget & fset (0.80)
- font
- key & keyp
- line
- map
- memcpy & memset
- mget & mset
- mouse
- music
- peek, peek4
- peek1, peek2 (1.0)
- pix
- pmem
- poke, poke4
- poke1, poke2 (1.0)
- rect & rectb
- reset
- sfx
- spr
- sync
- ttri (1.0)
- time
- trace
- tri & trib (0.90)
- tstamp (0.80)
- vbank (1.0)