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gg: apply ctx.scale to circle pos (#10512)

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KJ Lawrence 2021-06-19 02:07:34 -04:00 committed by GitHub
parent aea23e8a40
commit 22214c73e3
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@ -444,15 +444,18 @@ pub fn (ctx &Context) draw_circle_line(x f32, y f32, r int, segments int, c gx.C
sgl.load_pipeline(ctx.timage_pip)
}
sgl.c4b(c.r, c.g, c.b, c.a)
nx := x * ctx.scale
ny := y * ctx.scale
nr := r * ctx.scale
mut theta := f32(0)
mut xx := f32(0)
mut yy := f32(0)
sgl.begin_line_strip()
for i := 0; i < segments + 1; i++ {
theta = 2.0 * f32(math.pi) * f32(i) / f32(segments)
xx = r * math.cosf(theta)
yy = r * math.sinf(theta)
sgl.v2f(xx + x, yy + y)
xx = nr * math.cosf(theta)
yy = nr * math.sinf(theta)
sgl.v2f(xx + nx, yy + ny)
}
sgl.end()
}