raylib-go/raygui/raygui.go

47 lines
1.3 KiB
Go

// Package raygui - Simple and easy-to-use IMGUI (immediate mode GUI API) library
package raygui
import (
rl "github.com/gen2brain/raylib-go/raylib"
)
// GUI controls states
type ControlState int
const (
Disabled ControlState = iota
// Normal is the default state for rendering GUI elements.
Normal
// Focused indicates the mouse is hovering over the GUI element.
Focused
// Pressed indicates the mouse is hovering over the GUI element and LMB is pressed down.
Pressed
// Clicked indicates the mouse is hovering over the GUI element and LMB has just been released.
Clicked
)
// IsColliding will return true if 'point' is within any of the given rectangles.
func IsInAny(point rl.Vector2, rectangles ...rl.Rectangle) bool {
for _, rect := range rectangles {
if rl.CheckCollisionPointRec(point, rect) {
return true
}
}
return false
}
// GetInteractionState determines the current state of a control based on mouse position and
// button states.
func GetInteractionState(rectangles ...rl.Rectangle) ControlState {
switch {
case !IsInAny(rl.GetMousePosition(), rectangles...):
return Normal
case rl.IsMouseButtonDown(rl.MouseLeftButton):
return Pressed
case rl.IsMouseButtonReleased(rl.MouseLeftButton) || rl.IsMouseButtonPressed(rl.MouseLeftButton):
return Clicked
default:
return Focused
}
}