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Milan Nikolic 2017-01-27 09:35:30 +01:00
commit d7ff68b487
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examples/easings/easings/main.go Normal file
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package main
import (
"github.com/gen2brain/raylib-go/easings"
"github.com/gen2brain/raylib-go/raygui"
"github.com/gen2brain/raylib-go/raylib"
)
func main() {
screenWidth := int32(800)
screenHeight := int32(450)
raylib.SetConfigFlags(raylib.FlagVsyncHint)
raylib.InitWindow(screenWidth, screenHeight, "raylib [easings] example - easings")
currentTime := 0
duration := float32(60)
startPositionX := float32(screenWidth) / 4
finalPositionX := startPositionX * 3
currentPositionX := startPositionX
ballPosition := raylib.NewVector2(startPositionX, float32(screenHeight)/2)
comboActive := 0
comboLastActive := 0
easingTypes := []string{"SineIn", "SineOut", "SineInOut", "BounceIn", "BounceOut", "BounceInOut", "BackIn", "BackOut", "BackInOut"}
ease := easingTypes[comboActive]
//raylib.SetTargetFPS(60)
for !raylib.WindowShouldClose() {
if raylib.IsKeyDown(raylib.KeyR) {
currentTime = 0
currentPositionX = startPositionX
ballPosition.X = currentPositionX
}
if comboLastActive != comboActive {
currentTime = 0
currentPositionX = startPositionX
ballPosition.X = currentPositionX
ease = easingTypes[comboActive]
comboLastActive = comboActive
}
if currentPositionX < finalPositionX {
switch ease {
case "SineIn":
currentPositionX = easings.SineIn(float32(currentTime), startPositionX, finalPositionX-startPositionX, duration)
case "SineOut":
currentPositionX = easings.SineOut(float32(currentTime), startPositionX, finalPositionX-startPositionX, duration)
case "SineInOut":
currentPositionX = easings.SineInOut(float32(currentTime), startPositionX, finalPositionX-startPositionX, duration)
case "BounceIn":
currentPositionX = easings.BounceIn(float32(currentTime), startPositionX, finalPositionX-startPositionX, duration)
case "BounceOut":
currentPositionX = easings.BounceOut(float32(currentTime), startPositionX, finalPositionX-startPositionX, duration)
case "BounceInOut":
currentPositionX = easings.BounceInOut(float32(currentTime), startPositionX, finalPositionX-startPositionX, duration)
case "BackIn":
currentPositionX = easings.BackIn(float32(currentTime), startPositionX, finalPositionX-startPositionX, duration)
case "BackOut":
currentPositionX = easings.BackOut(float32(currentTime), startPositionX, finalPositionX-startPositionX, duration)
case "BackInOut":
currentPositionX = easings.BackInOut(float32(currentTime), startPositionX, finalPositionX-startPositionX, duration)
}
ballPosition.X = currentPositionX
currentTime++
}
raylib.BeginDrawing()
raylib.ClearBackground(raylib.RayWhite)
raygui.Label(raylib.NewRectangle(20, 20, 200, 20), "Easing Type:")
comboActive = raygui.ComboBox(raylib.NewRectangle(20, 40, 200, 20), easingTypes, comboActive)
raygui.Label(raylib.NewRectangle(20, 80, 200, 20), "Press R to reset")
raylib.DrawCircleV(ballPosition, 50, raylib.Maroon)
raylib.EndDrawing()
}
raylib.CloseWindow()
}