| script_name('Draw Shape Example') | |
| local mad = require 'MoonAdditions' | |
| function main() | |
| local circle = mad.shape.new() | |
| build_polygon(circle, 100, 100, 70, 100, 200, 0, 0, 200) | |
| while true do | |
| wait(0) | |
| circle:draw(mad.primitive_type.TRIANGLEFAN, true, mad.blend_method.SRCCOLOR, mad.blend_method.SRCCOLOR) | |
| end | |
| end | |
| function build_polygon(shape, x, y, c, size, r, g, b, alpha) | |
| shape:add_vertex(x, y, r, g, b, alpha) | |
| size = size / 2 | |
| local a = 0 | |
| local delta = math.pi * 2 / c | |
| for i = 0, c do | |
| a = a + delta | |
| local cx = x + math.cos(a) * size | |
| local cy = y + math.sin(a) * size | |
| g = 255 - g | |
| shape:add_vertex(cx, cy, r, g, b, alpha) | |
| end | |
| end | |