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docs: fix lint issues in examples and tutorials (#759)

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Signed-off-by: Carlos Alexandro Becker <caarlos0@users.noreply.github.com>
This commit is contained in:
Carlos Alexandro Becker
2023-06-09 13:33:53 -03:00
committed by GitHub
parent b2d2ac6504
commit b80eb8303b
18 changed files with 47 additions and 66 deletions
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30
examples/cellbuffer/main.go
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@@ -18,14 +18,14 @@ const (
fps = 60
frequency = 7.5
damping = 0.15
asterisk = "*"
)
func drawEllipse(cb *cellbuffer, xc, yc, rx, ry float64) {
const c = "*"
var (
dx, dy, d1, d2 float64
x float64 = 0
y = ry
x float64
y = ry
)
d1 = ry*ry - rx*rx*ry + 0.25*rx*rx
@@ -33,10 +33,10 @@ func drawEllipse(cb *cellbuffer, xc, yc, rx, ry float64) {
dy = 2 * rx * rx * y
for dx < dy {
cb.set(c, int(x+xc), int(y+yc))
cb.set(c, int(-x+xc), int(y+yc))
cb.set(c, int(x+xc), int(-y+yc))
cb.set(c, int(-x+xc), int(-y+yc))
cb.set(int(x+xc), int(y+yc))
cb.set(int(-x+xc), int(y+yc))
cb.set(int(x+xc), int(-y+yc))
cb.set(int(-x+xc), int(-y+yc))
if d1 < 0 {
x++
dx = dx + (2 * ry * ry)
@@ -53,10 +53,10 @@ func drawEllipse(cb *cellbuffer, xc, yc, rx, ry float64) {
d2 = ((ry * ry) * ((x + 0.5) * (x + 0.5))) + ((rx * rx) * ((y - 1) * (y - 1))) - (rx * rx * ry * ry)
for y >= 0 {
cb.set(c, int(x+xc), int(y+yc))
cb.set(c, int(-x+xc), int(y+yc))
cb.set(c, int(x+xc), int(-y+yc))
cb.set(c, int(-x+xc), int(-y+yc))
cb.set(int(x+xc), int(y+yc))
cb.set(int(-x+xc), int(y+yc))
cb.set(int(x+xc), int(-y+yc))
cb.set(int(-x+xc), int(-y+yc))
if d2 > 0 {
y--
dy = dy - (2 * rx * rx)
@@ -85,16 +85,12 @@ func (c *cellbuffer) init(w, h int) {
c.wipe()
}
func (c cellbuffer) set(v string, x, y int) {
func (c cellbuffer) set(x, y int) {
i := y*c.stride + x
if i > len(c.cells)-1 || x < 0 || y < 0 || x >= c.width() || y >= c.height() {
return
}
c.cells[i] = v
}
func (c *cellbuffer) clear(x, y int) {
c.set(" ", x, y)
c.cells[i] = asterisk
}
func (c *cellbuffer) wipe() {