99 lines
3.1 KiB
Go
99 lines
3.1 KiB
Go
package main
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import (
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"github.com/gen2brain/raylib-go/raylib"
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)
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var (
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maxGestureStrings int = 20
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)
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func main() {
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screenWidth := int32(800)
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screenHeight := int32(450)
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raylib.InitWindow(screenWidth, screenHeight, "raylib [core] example - gestures detection")
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touchPosition := raylib.NewVector2(0, 0)
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touchArea := raylib.NewRectangle(220, 10, screenWidth-230, screenHeight-20)
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gestureStrings := make([]string, 0)
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currentGesture := raylib.GestureNone
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lastGesture := raylib.GestureNone
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//raylib.SetGesturesEnabled(uint32(raylib.GestureHold | raylib.GestureDrag)) // Enable only some gestures to be detected
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raylib.SetTargetFPS(60)
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for !raylib.WindowShouldClose() {
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lastGesture = currentGesture
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currentGesture = raylib.GetGestureDetected()
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touchPosition = raylib.GetTouchPosition(0)
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if raylib.CheckCollisionPointRec(touchPosition, touchArea) && currentGesture != raylib.GestureNone {
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if currentGesture != lastGesture {
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switch currentGesture {
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case raylib.GestureTap:
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gestureStrings = append(gestureStrings, "GESTURE TAP")
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case raylib.GestureDoubletap:
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gestureStrings = append(gestureStrings, "GESTURE DOUBLETAP")
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case raylib.GestureHold:
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gestureStrings = append(gestureStrings, "GESTURE HOLD")
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case raylib.GestureDrag:
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gestureStrings = append(gestureStrings, "GESTURE DRAG")
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case raylib.GestureSwipeRight:
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gestureStrings = append(gestureStrings, "GESTURE SWIPE RIGHT")
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case raylib.GestureSwipeLeft:
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gestureStrings = append(gestureStrings, "GESTURE SWIPE LEFT")
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case raylib.GestureSwipeUp:
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gestureStrings = append(gestureStrings, "GESTURE SWIPE UP")
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case raylib.GestureSwipeDown:
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gestureStrings = append(gestureStrings, "GESTURE SWIPE DOWN")
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case raylib.GesturePinchIn:
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gestureStrings = append(gestureStrings, "GESTURE PINCH IN")
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case raylib.GesturePinchOut:
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gestureStrings = append(gestureStrings, "GESTURE PINCH OUT")
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}
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if len(gestureStrings) >= maxGestureStrings {
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gestureStrings = make([]string, 0)
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}
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}
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}
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raylib.BeginDrawing()
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raylib.ClearBackground(raylib.RayWhite)
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raylib.DrawRectangleRec(touchArea, raylib.Gray)
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raylib.DrawRectangle(225, 15, screenWidth-240, screenHeight-30, raylib.RayWhite)
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raylib.DrawText("GESTURES TEST AREA", screenWidth-270, screenHeight-40, 20, raylib.Fade(raylib.Gray, 0.5))
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for i := 0; i < len(gestureStrings); i++ {
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if i%2 == 0 {
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raylib.DrawRectangle(10, int32(30+20*i), 200, 20, raylib.Fade(raylib.LightGray, 0.5))
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} else {
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raylib.DrawRectangle(10, int32(30+20*i), 200, 20, raylib.Fade(raylib.LightGray, 0.3))
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}
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if i < len(gestureStrings)-1 {
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raylib.DrawText(gestureStrings[i], 35, int32(36+20*i), 10, raylib.DarkGray)
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} else {
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raylib.DrawText(gestureStrings[i], 35, int32(36+20*i), 10, raylib.Maroon)
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}
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}
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raylib.DrawRectangleLines(10, 29, 200, screenHeight-50, raylib.Gray)
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raylib.DrawText("DETECTED GESTURES", 50, 15, 10, raylib.Gray)
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if currentGesture != raylib.GestureNone {
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raylib.DrawCircleV(touchPosition, 30, raylib.Maroon)
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}
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raylib.EndDrawing()
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}
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raylib.CloseWindow()
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}
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