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fix: implement sqrt(2) on diagonals

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Refactors the x/y to float64 and rounds on draw.

Fixes: #20
This commit is contained in:
Cassandra
2025-05-18 14:11:38 +02:00
parent 333c9caf6e
commit 9d5731f423
1 changed files with 16 additions and 16 deletions
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32
main.go
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@@ -24,8 +24,8 @@ import (
type neko struct { type neko struct {
waiting bool waiting bool
x int x float64
y int y float64
distance int distance int
count int count int
min int min int
@@ -37,7 +37,7 @@ type neko struct {
} }
type Config struct { type Config struct {
Speed int `cfg:"speed" cfgDefault:"2" cfgHelper:"The speed of the cat."` Speed float64 `cfg:"speed" cfgDefault:"2.0" cfgHelper:"The speed of the cat."`
Scale float64 `cfg:"scale" cfgDefault:"2.0" cfgHelper:"The scale of the cat."` Scale float64 `cfg:"scale" cfgDefault:"2.0" cfgHelper:"The scale of the cat."`
Quiet bool `cfg:"quiet" cfgDefault:"false" cfgHelper:"Disable sound."` Quiet bool `cfg:"quiet" cfgDefault:"false" cfgHelper:"Disable sound."`
MousePassthrough bool `cfg:"mousepassthrough" cfgDefault:"false" cfgHelper:"Enable mouse passthrough."` MousePassthrough bool `cfg:"mousepassthrough" cfgDefault:"false" cfgHelper:"Enable mouse passthrough."`
@@ -86,9 +86,9 @@ func (m *neko) Update() error {
} }
// Prevents neko from being stuck on the side of the screen // Prevents neko from being stuck on the side of the screen
// or randomly travelling to another monitor // or randomly travelling to another monitor
m.x = max(0, min(m.x, monitorWidth)) m.x = max(0, min(m.x, float64(monitorWidth)))
m.y = max(0, min(m.y, monitorHeight)) m.y = max(0, min(m.y, float64(monitorHeight)))
ebiten.SetWindowPosition(m.x, m.y) ebiten.SetWindowPosition(int(math.Round(m.x)), int(math.Round(m.y)))
mx, my := ebiten.CursorPosition() mx, my := ebiten.CursorPosition()
x := mx - (height / 2) x := mx - (height / 2)
@@ -161,23 +161,23 @@ func (m *neko) catchCursor(x, y int) {
case a <= 292.5 && a > 247.5: // up case a <= 292.5 && a > 247.5: // up
m.y -= cfg.Speed m.y -= cfg.Speed
case a <= 337.5 && a > 292.5: // up right case a <= 337.5 && a > 292.5: // up right
m.x += cfg.Speed m.x += cfg.Speed / math.Sqrt2
m.y -= cfg.Speed m.y -= cfg.Speed / math.Sqrt2
case a <= 22.5 || a > 337.5: // right case a <= 22.5 || a > 337.5: // right
m.x += cfg.Speed m.x += cfg.Speed
case a <= 67.5 && a > 22.5: // down right case a <= 67.5 && a > 22.5: // down right
m.x += cfg.Speed m.x += cfg.Speed / math.Sqrt2
m.y += cfg.Speed m.y += cfg.Speed / math.Sqrt2
case a <= 112.5 && a > 67.5: // down case a <= 112.5 && a > 67.5: // down
m.y += cfg.Speed m.y += cfg.Speed
case a <= 157.5 && a > 112.5: // down left case a <= 157.5 && a > 112.5: // down left
m.x -= cfg.Speed m.x -= cfg.Speed / math.Sqrt2
m.y += cfg.Speed m.y += cfg.Speed / math.Sqrt2
case a <= 202.5 && a > 157.5: // left case a <= 202.5 && a > 157.5: // left
m.x -= cfg.Speed m.x -= cfg.Speed
case a <= 247.5 && a > 202.5: // up left case a <= 247.5 && a > 202.5: // up left
m.x -= cfg.Speed m.x -= cfg.Speed / math.Sqrt2
m.y -= cfg.Speed m.y -= cfg.Speed / math.Sqrt2
} }
switch { switch {
@@ -280,8 +280,8 @@ func main() {
audio.CurrentContext().NewPlayerFromBytes([]byte{}).Play() audio.CurrentContext().NewPlayerFromBytes([]byte{}).Play()
n := &neko{ n := &neko{
x: monitorWidth / 2, x: float64(monitorWidth / 2),
y: monitorHeight / 2, y: float64(monitorHeight / 2),
min: 8, min: 8,
max: 16, max: 16,
} }