106 lines
2.4 KiB
Go
106 lines
2.4 KiB
Go
package main
|
|
|
|
import (
|
|
"cart/w4"
|
|
"math"
|
|
)
|
|
|
|
type Player struct {
|
|
Position Vector
|
|
Speed Vector
|
|
//PointGrabbed *Point
|
|
StickGrabbed *Stick
|
|
StickOffset float64
|
|
GrabTimeout uint
|
|
Gamepad *uint8
|
|
}
|
|
|
|
func (p *Player) Update() {
|
|
p.Speed.X = 0
|
|
if p.GrabTimeout > 0 {
|
|
p.GrabTimeout--
|
|
}
|
|
if *p.Gamepad&w4.BUTTON_LEFT != 0 {
|
|
p.Speed.X -= 1
|
|
}
|
|
if *p.Gamepad&w4.BUTTON_RIGHT != 0 {
|
|
p.Speed.X += 1
|
|
}
|
|
isJumping := *p.Gamepad&w4.BUTTON_DOWN == 0
|
|
p.Speed.Y = math.Min(4, p.Speed.Y+gravity)
|
|
if p.StickGrabbed != nil {
|
|
p.Speed.Y = 0
|
|
// p.Position = p.PointGrabbed.Position
|
|
if *p.Gamepad&w4.BUTTON_LEFT != 0 {
|
|
p.StickOffset -= 0.1
|
|
}
|
|
if *p.Gamepad&w4.BUTTON_RIGHT != 0 {
|
|
p.StickOffset += 0.1
|
|
}
|
|
if p.StickOffset < 0 {
|
|
point := p.StickGrabbed.PointA
|
|
if len(point.Sticks) == 1 {
|
|
p.StickOffset = 0
|
|
} else {
|
|
p.StickGrabbed = point.Sticks[0]
|
|
p.StickOffset += 1
|
|
}
|
|
}
|
|
if p.StickOffset > 1 {
|
|
point := p.StickGrabbed.PointB
|
|
if len(point.Sticks) == 1 {
|
|
p.StickOffset = 1
|
|
} else {
|
|
p.StickGrabbed = point.Sticks[1]
|
|
p.StickOffset -= 1
|
|
}
|
|
}
|
|
p.Position = p.StickGrabbed.GetPosition(p.StickOffset)
|
|
if *p.Gamepad&w4.BUTTON_2 != 0 {
|
|
p.GrabTimeout = 10
|
|
if isJumping {
|
|
p.GrabTimeout = 5
|
|
p.Speed.Y = -4.5
|
|
impulse := p.Speed.MulScalar(-1)
|
|
p.StickGrabbed.PointA.Position.MoveVec(impulse)
|
|
p.StickGrabbed.PointB.Position.MoveVec(impulse)
|
|
}
|
|
p.StickGrabbed = nil
|
|
}
|
|
} else {
|
|
p.Position.Move(p.Speed.X, p.Speed.Y)
|
|
if *p.Gamepad&w4.BUTTON_DOWN == 0 && p.GrabTimeout == 0 {
|
|
distance := math.MaxFloat64
|
|
var selectedPoint *Point
|
|
for _, point := range points {
|
|
diff := p.Position.Sub(point.Position)
|
|
dSquared := diff.LenSquared()
|
|
if dSquared < distance {
|
|
distance = dSquared
|
|
selectedPoint = point
|
|
}
|
|
}
|
|
stickDistance := math.MaxFloat64
|
|
var selectedStick *Stick
|
|
for _, stick := range selectedPoint.Sticks {
|
|
distance := stick.GetDistance(p.Position)
|
|
if distance < stickDistance {
|
|
stickDistance = distance
|
|
selectedStick = stick
|
|
}
|
|
}
|
|
if stickDistance < 4 {
|
|
p.StickGrabbed = selectedStick
|
|
p.StickOffset = selectedStick.GetOffset(p.Position)
|
|
p.StickGrabbed.PointA.Position.MoveVec(p.Speed)
|
|
p.StickGrabbed.PointB.Position.MoveVec(p.Speed)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
func (p *Player) Draw() {
|
|
*w4.DRAW_COLORS = 0x34
|
|
w4.Rect(int(p.Position.X)-4, int(p.Position.Y)-4, 8, 8)
|
|
}
|