373 lines
12 KiB
Go
373 lines
12 KiB
Go
|
package pixelgl
|
||
|
|
|
||
|
|
import (
|
||
|
|
"github.com/faiface/mainthread"
|
||
|
|
"github.com/faiface/pixel"
|
||
|
|
"github.com/go-gl/glfw/v3.2/glfw"
|
||
|
|
)
|
||
|
|
|
||
|
|
// Pressed returns whether button is currently pressed down.
|
||
|
|
func (w *Window) Pressed(button Button) bool {
|
||
|
|
return w.currInp.buttons[button]
|
||
|
|
}
|
||
|
|
|
||
|
|
// JustPressed returns whether button has just been pressed down.
|
||
|
|
func (w *Window) JustPressed(button Button) bool {
|
||
|
|
return w.currInp.buttons[button] && !w.prevInp.buttons[button]
|
||
|
|
}
|
||
|
|
|
||
|
|
// JustReleased returns whether button has just been released up.
|
||
|
|
func (w *Window) JustReleased(button Button) bool {
|
||
|
|
return !w.currInp.buttons[button] && w.prevInp.buttons[button]
|
||
|
|
}
|
||
|
|
|
||
|
|
// MousePosition returns the current mouse position relative to the window.
|
||
|
|
func (w *Window) MousePosition() pixel.Vec {
|
||
|
|
var x, y, width, height float64
|
||
|
|
mainthread.Call(func() {
|
||
|
|
x, y = w.window.GetCursorPos()
|
||
|
|
wi, hi := w.window.GetSize()
|
||
|
|
width, height = float64(wi), float64(hi)
|
||
|
|
})
|
||
|
|
|
||
|
|
// transform to OpenGL coordinates
|
||
|
|
x = (x - width/2) / (width / 2)
|
||
|
|
y = (height/2 - y) / (height / 2)
|
||
|
|
|
||
|
|
return pixel.V(x, y)
|
||
|
|
}
|
||
|
|
|
||
|
|
// MouseScroll returns the scroll amount (in both axis) since the last call to Window.Update.
|
||
|
|
func (w *Window) MouseScroll() pixel.Vec {
|
||
|
|
return w.currInp.scroll
|
||
|
|
}
|
||
|
|
|
||
|
|
// Button is a keyboard or mouse button. Why distinguish?
|
||
|
|
type Button int
|
||
|
|
|
||
|
|
// List of all mouse buttons.
|
||
|
|
const (
|
||
|
|
MouseButton1 = Button(glfw.MouseButton1)
|
||
|
|
MouseButton2 = Button(glfw.MouseButton2)
|
||
|
|
MouseButton3 = Button(glfw.MouseButton3)
|
||
|
|
MouseButton4 = Button(glfw.MouseButton4)
|
||
|
|
MouseButton5 = Button(glfw.MouseButton5)
|
||
|
|
MouseButton6 = Button(glfw.MouseButton6)
|
||
|
|
MouseButton7 = Button(glfw.MouseButton7)
|
||
|
|
MouseButton8 = Button(glfw.MouseButton8)
|
||
|
|
MouseButtonLast = Button(glfw.MouseButtonLast)
|
||
|
|
MouseButtonLeft = Button(glfw.MouseButtonLeft)
|
||
|
|
MouseButtonRight = Button(glfw.MouseButtonRight)
|
||
|
|
MouseButtonMiddle = Button(glfw.MouseButtonMiddle)
|
||
|
|
)
|
||
|
|
|
||
|
|
// List of all keyboard buttons.
|
||
|
|
const (
|
||
|
|
KeyUnknown = Button(glfw.KeyUnknown)
|
||
|
|
KeySpace = Button(glfw.KeySpace)
|
||
|
|
KeyApostrophe = Button(glfw.KeyApostrophe)
|
||
|
|
KeyComma = Button(glfw.KeyComma)
|
||
|
|
KeyMinus = Button(glfw.KeyMinus)
|
||
|
|
KeyPeriod = Button(glfw.KeyPeriod)
|
||
|
|
KeySlash = Button(glfw.KeySlash)
|
||
|
|
Key0 = Button(glfw.Key0)
|
||
|
|
Key1 = Button(glfw.Key1)
|
||
|
|
Key2 = Button(glfw.Key2)
|
||
|
|
Key3 = Button(glfw.Key3)
|
||
|
|
Key4 = Button(glfw.Key4)
|
||
|
|
Key5 = Button(glfw.Key5)
|
||
|
|
Key6 = Button(glfw.Key6)
|
||
|
|
Key7 = Button(glfw.Key7)
|
||
|
|
Key8 = Button(glfw.Key8)
|
||
|
|
Key9 = Button(glfw.Key9)
|
||
|
|
KeySemicolon = Button(glfw.KeySemicolon)
|
||
|
|
KeyEqual = Button(glfw.KeyEqual)
|
||
|
|
KeyA = Button(glfw.KeyA)
|
||
|
|
KeyB = Button(glfw.KeyB)
|
||
|
|
KeyC = Button(glfw.KeyC)
|
||
|
|
KeyD = Button(glfw.KeyD)
|
||
|
|
KeyE = Button(glfw.KeyE)
|
||
|
|
KeyF = Button(glfw.KeyF)
|
||
|
|
KeyG = Button(glfw.KeyG)
|
||
|
|
KeyH = Button(glfw.KeyH)
|
||
|
|
KeyI = Button(glfw.KeyI)
|
||
|
|
KeyJ = Button(glfw.KeyJ)
|
||
|
|
KeyK = Button(glfw.KeyK)
|
||
|
|
KeyL = Button(glfw.KeyL)
|
||
|
|
KeyM = Button(glfw.KeyM)
|
||
|
|
KeyN = Button(glfw.KeyN)
|
||
|
|
KeyO = Button(glfw.KeyO)
|
||
|
|
KeyP = Button(glfw.KeyP)
|
||
|
|
KeyQ = Button(glfw.KeyQ)
|
||
|
|
KeyR = Button(glfw.KeyR)
|
||
|
|
KeyS = Button(glfw.KeyS)
|
||
|
|
KeyT = Button(glfw.KeyT)
|
||
|
|
KeyU = Button(glfw.KeyU)
|
||
|
|
KeyV = Button(glfw.KeyV)
|
||
|
|
KeyW = Button(glfw.KeyW)
|
||
|
|
KeyX = Button(glfw.KeyX)
|
||
|
|
KeyY = Button(glfw.KeyY)
|
||
|
|
KeyZ = Button(glfw.KeyZ)
|
||
|
|
KeyLeftBracket = Button(glfw.KeyLeftBracket)
|
||
|
|
KeyBackslash = Button(glfw.KeyBackslash)
|
||
|
|
KeyRightBracket = Button(glfw.KeyRightBracket)
|
||
|
|
KeyGraveAccent = Button(glfw.KeyGraveAccent)
|
||
|
|
KeyWorld1 = Button(glfw.KeyWorld1)
|
||
|
|
KeyWorld2 = Button(glfw.KeyWorld2)
|
||
|
|
KeyEscape = Button(glfw.KeyEscape)
|
||
|
|
KeyEnter = Button(glfw.KeyEnter)
|
||
|
|
KeyTab = Button(glfw.KeyTab)
|
||
|
|
KeyBackspace = Button(glfw.KeyBackspace)
|
||
|
|
KeyInsert = Button(glfw.KeyInsert)
|
||
|
|
KeyDelete = Button(glfw.KeyDelete)
|
||
|
|
KeyRight = Button(glfw.KeyRight)
|
||
|
|
KeyLeft = Button(glfw.KeyLeft)
|
||
|
|
KeyDown = Button(glfw.KeyDown)
|
||
|
|
KeyUp = Button(glfw.KeyUp)
|
||
|
|
KeyPageUp = Button(glfw.KeyPageUp)
|
||
|
|
KeyPageDown = Button(glfw.KeyPageDown)
|
||
|
|
KeyHome = Button(glfw.KeyHome)
|
||
|
|
KeyEnd = Button(glfw.KeyEnd)
|
||
|
|
KeyCapsLock = Button(glfw.KeyCapsLock)
|
||
|
|
KeyScrollLock = Button(glfw.KeyScrollLock)
|
||
|
|
KeyNumLock = Button(glfw.KeyNumLock)
|
||
|
|
KeyPrintScreen = Button(glfw.KeyPrintScreen)
|
||
|
|
KeyPause = Button(glfw.KeyPause)
|
||
|
|
KeyF1 = Button(glfw.KeyF1)
|
||
|
|
KeyF2 = Button(glfw.KeyF2)
|
||
|
|
KeyF3 = Button(glfw.KeyF3)
|
||
|
|
KeyF4 = Button(glfw.KeyF4)
|
||
|
|
KeyF5 = Button(glfw.KeyF5)
|
||
|
|
KeyF6 = Button(glfw.KeyF6)
|
||
|
|
KeyF7 = Button(glfw.KeyF7)
|
||
|
|
KeyF8 = Button(glfw.KeyF8)
|
||
|
|
KeyF9 = Button(glfw.KeyF9)
|
||
|
|
KeyF10 = Button(glfw.KeyF10)
|
||
|
|
KeyF11 = Button(glfw.KeyF11)
|
||
|
|
KeyF12 = Button(glfw.KeyF12)
|
||
|
|
KeyF13 = Button(glfw.KeyF13)
|
||
|
|
KeyF14 = Button(glfw.KeyF14)
|
||
|
|
KeyF15 = Button(glfw.KeyF15)
|
||
|
|
KeyF16 = Button(glfw.KeyF16)
|
||
|
|
KeyF17 = Button(glfw.KeyF17)
|
||
|
|
KeyF18 = Button(glfw.KeyF18)
|
||
|
|
KeyF19 = Button(glfw.KeyF19)
|
||
|
|
KeyF20 = Button(glfw.KeyF20)
|
||
|
|
KeyF21 = Button(glfw.KeyF21)
|
||
|
|
KeyF22 = Button(glfw.KeyF22)
|
||
|
|
KeyF23 = Button(glfw.KeyF23)
|
||
|
|
KeyF24 = Button(glfw.KeyF24)
|
||
|
|
KeyF25 = Button(glfw.KeyF25)
|
||
|
|
KeyKP0 = Button(glfw.KeyKP0)
|
||
|
|
KeyKP1 = Button(glfw.KeyKP1)
|
||
|
|
KeyKP2 = Button(glfw.KeyKP2)
|
||
|
|
KeyKP3 = Button(glfw.KeyKP3)
|
||
|
|
KeyKP4 = Button(glfw.KeyKP4)
|
||
|
|
KeyKP5 = Button(glfw.KeyKP5)
|
||
|
|
KeyKP6 = Button(glfw.KeyKP6)
|
||
|
|
KeyKP7 = Button(glfw.KeyKP7)
|
||
|
|
KeyKP8 = Button(glfw.KeyKP8)
|
||
|
|
KeyKP9 = Button(glfw.KeyKP9)
|
||
|
|
KeyKPDecimal = Button(glfw.KeyKPDecimal)
|
||
|
|
KeyKPDivide = Button(glfw.KeyKPDivide)
|
||
|
|
KeyKPMultiply = Button(glfw.KeyKPMultiply)
|
||
|
|
KeyKPSubtract = Button(glfw.KeyKPSubtract)
|
||
|
|
KeyKPAdd = Button(glfw.KeyKPAdd)
|
||
|
|
KeyKPEnter = Button(glfw.KeyKPEnter)
|
||
|
|
KeyKPEqual = Button(glfw.KeyKPEqual)
|
||
|
|
KeyLeftShift = Button(glfw.KeyLeftShift)
|
||
|
|
KeyLeftControl = Button(glfw.KeyLeftControl)
|
||
|
|
KeyLeftAlt = Button(glfw.KeyLeftAlt)
|
||
|
|
KeyLeftSuper = Button(glfw.KeyLeftSuper)
|
||
|
|
KeyRightShift = Button(glfw.KeyRightShift)
|
||
|
|
KeyRightControl = Button(glfw.KeyRightControl)
|
||
|
|
KeyRightAlt = Button(glfw.KeyRightAlt)
|
||
|
|
KeyRightSuper = Button(glfw.KeyRightSuper)
|
||
|
|
KeyMenu = Button(glfw.KeyMenu)
|
||
|
|
KeyLast = Button(glfw.KeyLast)
|
||
|
|
)
|
||
|
|
|
||
|
|
// String returns a human-readable string describing the Button.
|
||
|
|
func (b Button) String() string {
|
||
|
|
name, ok := buttonNames[b]
|
||
|
|
if !ok {
|
||
|
|
return "Invalid"
|
||
|
|
}
|
||
|
|
return name
|
||
|
|
}
|
||
|
|
|
||
|
|
var buttonNames = map[Button]string{
|
||
|
|
MouseButton4: "MouseButton4",
|
||
|
|
MouseButton5: "MouseButton5",
|
||
|
|
MouseButton6: "MouseButton6",
|
||
|
|
MouseButton7: "MouseButton7",
|
||
|
|
MouseButton8: "MouseButton8",
|
||
|
|
MouseButtonLeft: "MouseButtonLeft",
|
||
|
|
MouseButtonRight: "MouseButtonRight",
|
||
|
|
MouseButtonMiddle: "MouseButtonMiddle",
|
||
|
|
KeyUnknown: "Unknown",
|
||
|
|
KeySpace: "Space",
|
||
|
|
KeyApostrophe: "Apostrophe",
|
||
|
|
KeyComma: "Comma",
|
||
|
|
KeyMinus: "Minus",
|
||
|
|
KeyPeriod: "Period",
|
||
|
|
KeySlash: "Slash",
|
||
|
|
Key0: "0",
|
||
|
|
Key1: "1",
|
||
|
|
Key2: "2",
|
||
|
|
Key3: "3",
|
||
|
|
Key4: "4",
|
||
|
|
Key5: "5",
|
||
|
|
Key6: "6",
|
||
|
|
Key7: "7",
|
||
|
|
Key8: "8",
|
||
|
|
Key9: "9",
|
||
|
|
KeySemicolon: "Semicolon",
|
||
|
|
KeyEqual: "Equal",
|
||
|
|
KeyA: "A",
|
||
|
|
KeyB: "B",
|
||
|
|
KeyC: "C",
|
||
|
|
KeyD: "D",
|
||
|
|
KeyE: "E",
|
||
|
|
KeyF: "F",
|
||
|
|
KeyG: "G",
|
||
|
|
KeyH: "H",
|
||
|
|
KeyI: "I",
|
||
|
|
KeyJ: "J",
|
||
|
|
KeyK: "K",
|
||
|
|
KeyL: "L",
|
||
|
|
KeyM: "M",
|
||
|
|
KeyN: "N",
|
||
|
|
KeyO: "O",
|
||
|
|
KeyP: "P",
|
||
|
|
KeyQ: "Q",
|
||
|
|
KeyR: "R",
|
||
|
|
KeyS: "S",
|
||
|
|
KeyT: "T",
|
||
|
|
KeyU: "U",
|
||
|
|
KeyV: "V",
|
||
|
|
KeyW: "W",
|
||
|
|
KeyX: "X",
|
||
|
|
KeyY: "Y",
|
||
|
|
KeyZ: "Z",
|
||
|
|
KeyLeftBracket: "LeftBracket",
|
||
|
|
KeyBackslash: "Backslash",
|
||
|
|
KeyRightBracket: "RightBracket",
|
||
|
|
KeyGraveAccent: "GraveAccent",
|
||
|
|
KeyWorld1: "World1",
|
||
|
|
KeyWorld2: "World2",
|
||
|
|
KeyEscape: "Escape",
|
||
|
|
KeyEnter: "Enter",
|
||
|
|
KeyTab: "Tab",
|
||
|
|
KeyBackspace: "Backspace",
|
||
|
|
KeyInsert: "Insert",
|
||
|
|
KeyDelete: "Delete",
|
||
|
|
KeyRight: "Right",
|
||
|
|
KeyLeft: "Left",
|
||
|
|
KeyDown: "Down",
|
||
|
|
KeyUp: "Up",
|
||
|
|
KeyPageUp: "PageUp",
|
||
|
|
KeyPageDown: "PageDown",
|
||
|
|
KeyHome: "Home",
|
||
|
|
KeyEnd: "End",
|
||
|
|
KeyCapsLock: "CapsLock",
|
||
|
|
KeyScrollLock: "ScrollLock",
|
||
|
|
KeyNumLock: "NumLock",
|
||
|
|
KeyPrintScreen: "PrintScreen",
|
||
|
|
KeyPause: "Pause",
|
||
|
|
KeyF1: "F1",
|
||
|
|
KeyF2: "F2",
|
||
|
|
KeyF3: "F3",
|
||
|
|
KeyF4: "F4",
|
||
|
|
KeyF5: "F5",
|
||
|
|
KeyF6: "F6",
|
||
|
|
KeyF7: "F7",
|
||
|
|
KeyF8: "F8",
|
||
|
|
KeyF9: "F9",
|
||
|
|
KeyF10: "F10",
|
||
|
|
KeyF11: "F11",
|
||
|
|
KeyF12: "F12",
|
||
|
|
KeyF13: "F13",
|
||
|
|
KeyF14: "F14",
|
||
|
|
KeyF15: "F15",
|
||
|
|
KeyF16: "F16",
|
||
|
|
KeyF17: "F17",
|
||
|
|
KeyF18: "F18",
|
||
|
|
KeyF19: "F19",
|
||
|
|
KeyF20: "F20",
|
||
|
|
KeyF21: "F21",
|
||
|
|
KeyF22: "F22",
|
||
|
|
KeyF23: "F23",
|
||
|
|
KeyF24: "F24",
|
||
|
|
KeyF25: "F25",
|
||
|
|
KeyKP0: "KP0",
|
||
|
|
KeyKP1: "KP1",
|
||
|
|
KeyKP2: "KP2",
|
||
|
|
KeyKP3: "KP3",
|
||
|
|
KeyKP4: "KP4",
|
||
|
|
KeyKP5: "KP5",
|
||
|
|
KeyKP6: "KP6",
|
||
|
|
KeyKP7: "KP7",
|
||
|
|
KeyKP8: "KP8",
|
||
|
|
KeyKP9: "KP9",
|
||
|
|
KeyKPDecimal: "KPDecimal",
|
||
|
|
KeyKPDivide: "KPDivide",
|
||
|
|
KeyKPMultiply: "KPMultiply",
|
||
|
|
KeyKPSubtract: "KPSubtract",
|
||
|
|
KeyKPAdd: "KPAdd",
|
||
|
|
KeyKPEnter: "KPEnter",
|
||
|
|
KeyKPEqual: "KPEqual",
|
||
|
|
KeyLeftShift: "LeftShift",
|
||
|
|
KeyLeftControl: "LeftControl",
|
||
|
|
KeyLeftAlt: "LeftAlt",
|
||
|
|
KeyLeftSuper: "LeftSuper",
|
||
|
|
KeyRightShift: "RightShift",
|
||
|
|
KeyRightControl: "RightControl",
|
||
|
|
KeyRightAlt: "RightAlt",
|
||
|
|
KeyRightSuper: "RightSuper",
|
||
|
|
KeyMenu: "Menu",
|
||
|
|
}
|
||
|
|
|
||
|
|
func (w *Window) initInput() {
|
||
|
|
mainthread.Call(func() {
|
||
|
|
w.window.SetMouseButtonCallback(func(_ *glfw.Window, button glfw.MouseButton, action glfw.Action, mod glfw.ModifierKey) {
|
||
|
|
switch action {
|
||
|
|
case glfw.Press:
|
||
|
|
w.currInp.buttons[Button(button)] = true
|
||
|
|
case glfw.Release:
|
||
|
|
w.currInp.buttons[Button(button)] = false
|
||
|
|
}
|
||
|
|
})
|
||
|
|
|
||
|
|
w.window.SetKeyCallback(func(_ *glfw.Window, key glfw.Key, scancode int, action glfw.Action, mods glfw.ModifierKey) {
|
||
|
|
switch action {
|
||
|
|
case glfw.Press:
|
||
|
|
w.currInp.buttons[Button(key)] = true
|
||
|
|
case glfw.Release:
|
||
|
|
w.currInp.buttons[Button(key)] = false
|
||
|
|
}
|
||
|
|
})
|
||
|
|
|
||
|
|
w.window.SetScrollCallback(func(_ *glfw.Window, xoff, yoff float64) {
|
||
|
|
w.currInp.scroll += pixel.V(xoff, yoff)
|
||
|
|
})
|
||
|
|
})
|
||
|
|
}
|
||
|
|
|
||
|
|
func (w *Window) updateInput() {
|
||
|
|
// copy temp to prev
|
||
|
|
w.prevInp = w.tempInp
|
||
|
|
|
||
|
|
// zero current scroll (but keep what was added in callbacks outside of this function)
|
||
|
|
w.currInp.scroll -= w.tempInp.scroll
|
||
|
|
|
||
|
|
// get events (usually calls callbacks, but callbacks can be called outside too)
|
||
|
|
mainthread.Call(func() {
|
||
|
|
glfw.PollEvents()
|
||
|
|
})
|
||
|
|
|
||
|
|
// cache current state to temp (so that if there are callbacks outside this function,
|
||
|
|
// everything works)
|
||
|
|
w.tempInp = w.currInp
|
||
|
|
}
|