From 6597a942659d09ea3843f86c84dc1ac3b84691c2 Mon Sep 17 00:00:00 2001 From: unkl nik Date: Mon, 6 Nov 2023 06:52:27 +0200 Subject: [PATCH] removed example --- examples/shapes/easings_ball_anim/easings.go | 319 ------------------- examples/shapes/easings_ball_anim/main.go | 85 ----- 2 files changed, 404 deletions(-) delete mode 100644 examples/shapes/easings_ball_anim/easings.go delete mode 100644 examples/shapes/easings_ball_anim/main.go diff --git a/examples/shapes/easings_ball_anim/easings.go b/examples/shapes/easings_ball_anim/easings.go deleted file mode 100644 index bfdd528..0000000 --- a/examples/shapes/easings_ball_anim/easings.go +++ /dev/null @@ -1,319 +0,0 @@ -// Package easings - Useful easing functions for values animation -// -// A port of Robert Penner's easing equations (http://robertpenner.com/easing/) -package main - -import ( - "math" -) - -// Linear Easing functions - -// LinearNone easing -// t: current time, b: begInnIng value, c: change In value, d: duration -func LinearNone(t, b, c, d float32) float32 { - return c*t/d + b -} - -// LinearIn easing -// t: current time, b: begInnIng value, c: change In value, d: duration -func LinearIn(t, b, c, d float32) float32 { - return c*t/d + b -} - -// LinearOut easing -// t: current time, b: begInnIng value, c: change In value, d: duration -func LinearOut(t, b, c, d float32) float32 { - return c*t/d + b -} - -// LinearInOut easing -// t: current time, b: begInnIng value, c: change In value, d: duration -func LinearInOut(t, b, c, d float32) float32 { - return c*t/d + b -} - -// Sine Easing functions - -// SineIn easing -// t: current time, b: begInnIng value, c: change In value, d: duration -func SineIn(t, b, c, d float32) float32 { - return -c*float32(math.Cos(float64(t/d)*(math.Pi/2))) + c + b -} - -// SineOut easing -// t: current time, b: begInnIng value, c: change In value, d: duration -func SineOut(t, b, c, d float32) float32 { - return c*float32(math.Sin(float64(t/d)*(math.Pi/2))) + b -} - -// SineInOut easing -// t: current time, b: begInnIng value, c: change In value, d: duration -func SineInOut(t, b, c, d float32) float32 { - return -c/2*(float32(math.Cos(math.Pi*float64(t/d)))-1) + b -} - -// Circular Easing functions - -// CircIn easing -// t: current time, b: begInnIng value, c: change In value, d: duration -func CircIn(t, b, c, d float32) float32 { - t = t / d - return -c*(float32(math.Sqrt(float64(1-t*t)))-1) + b -} - -// CircOut easing -// t: current time, b: begInnIng value, c: change In value, d: duration -func CircOut(t, b, c, d float32) float32 { - return c*float32(math.Sqrt(1-float64((t/d-1)*t))) + b -} - -// CircInOut easing -// t: current time, b: begInnIng value, c: change In value, d: duration -func CircInOut(t, b, c, d float32) float32 { - t = t / d * 2 - - if t < 1 { - return -c/2*(float32(math.Sqrt(float64(1-t*t)))-1) + b - } - - t = t - 2 - return c/2*(float32(math.Sqrt(1-float64(t*t)))+1) + b -} - -// Cubic Easing functions - -// CubicIn easing -// t: current time, b: begInnIng value, c: change In value, d: duration -func CubicIn(t, b, c, d float32) float32 { - t = t / d - return c*t*t*t + b -} - -// CubicOut easing -// t: current time, b: begInnIng value, c: change In value, d: duration -func CubicOut(t, b, c, d float32) float32 { - t = t/d - 1 - return c*(t*t*t+1) + b -} - -// CubicInOut easing -// t: current time, b: begInnIng value, c: change In value, d: duration -func CubicInOut(t, b, c, d float32) float32 { - t = t / d * 2 - if t < 1 { - return (c/2*t*t*t + b) - } - - t = t - 2 - return c/2*(t*t*t+2) + b -} - -// Quadratic Easing functions - -// QuadIn easing -// t: current time, b: begInnIng value, c: change In value, d: duration -func QuadIn(t, b, c, d float32) float32 { - t = t / d - return c*t*t + b -} - -// QuadOut easing -// t: current time, b: begInnIng value, c: change In value, d: duration -func QuadOut(t, b, c, d float32) float32 { - t = t / d - return (-c*t*(t-2) + b) -} - -// QuadInOut easing -// t: current time, b: begInnIng value, c: change In value, d: duration -func QuadInOut(t, b, c, d float32) float32 { - t = t / d * 2 - if t < 1 { - return ((c / 2) * (t * t)) + b - } - - return -c/2*((t-1)*(t-3)-1) + b -} - -// Exponential Easing functions - -// ExpoIn easing -// t: current time, b: begInnIng value, c: change In value, d: duration -func ExpoIn(t, b, c, d float32) float32 { - if t == 0 { - return b - } - - return (c*float32(math.Pow(2, 10*float64(t/d-1))) + b) -} - -// ExpoOut easing -// t: current time, b: begInnIng value, c: change In value, d: duration -func ExpoOut(t, b, c, d float32) float32 { - if t == d { - return (b + c) - } - - return c*(-float32(math.Pow(2, -10*float64(t/d)))+1) + b -} - -// ExpoInOut easing -// t: current time, b: begInnIng value, c: change In value, d: duration -func ExpoInOut(t, b, c, d float32) float32 { - if t == 0 { - return b - } - if t == d { - return (b + c) - } - - t = t / d * 2 - - if t < 1 { - return (c/2*float32(math.Pow(2, 10*float64(t-1))) + b) - } - - t = t - 1 - return (c/2*(-float32(math.Pow(2, -10*float64(t)))+2) + b) -} - -// Back Easing functions - -// BackIn easing -// t: current time, b: begInnIng value, c: change In value, d: duration -func BackIn(t, b, c, d float32) float32 { - s := float32(1.70158) - t = t / d - return c*t*t*((s+1)*t-s) + b -} - -// BackOut easing -// t: current time, b: begInnIng value, c: change In value, d: duration -func BackOut(t, b, c, d float32) float32 { - s := float32(1.70158) - t = t/d - 1 - return c*(t*t*((s+1)*t+s)+1) + b -} - -// BackInOut easing -// t: current time, b: begInnIng value, c: change In value, d: duration -func BackInOut(t, b, c, d float32) float32 { - s := float32(1.70158) - s = s * 1.525 - t = t / d * 2 - - if t < 1 { - return c/2*(t*t*((s+1)*t-s)) + b - } - - t = t - 2 - return c/2*(t*t*((s+1)*t+s)+2) + b -} - -// Bounce Easing functions - -// BounceIn easing -// t: current time, b: begInnIng value, c: change In value, d: duration -func BounceIn(t, b, c, d float32) float32 { - return (c - BounceOut(d-t, 0, c, d) + b) -} - -// BounceOut easing -// t: current time, b: begInnIng value, c: change In value, d: duration -func BounceOut(t, b, c, d float32) float32 { - t = t / d - if t < (1 / 2.75) { - return (c*(7.5625*t*t) + b) - } else if t < (2 / 2.75) { - t = t - (1.5 / 2.75) - return c*(7.5625*t*t+0.75) + b - } else if t < (2.5 / 2.75) { - t = t - (2.25 / 2.75) - return c*(7.5625*t*t+0.9375) + b - } - - t = t - (2.625 / 2.75) - return c*(7.5625*t*t+0.984375) + b -} - -// BounceInOut easing -// t: current time, b: begInnIng value, c: change In value, d: duration -func BounceInOut(t, b, c, d float32) float32 { - if t < d/2 { - return BounceIn(t*2, 0, c, d)*0.5 + b - } - - return BounceOut(t*2-d, 0, c, d)*0.5 + c*0.5 + b -} - -// Elastic Easing functions - -// ElasticIn easing -// t: current time, b: begInnIng value, c: change In value, d: duration -func ElasticIn(t, b, c, d float32) float32 { - if t == 0 { - return b - } - - t = t / d - - if t == 1 { - return b + c - } - - p := d * 0.3 - a := c - s := p / 4 - postFix := a * float32(math.Pow(2, 10*float64(t-1))) - - return -(postFix * float32(math.Sin(float64(t*d-s)*(2*math.Pi)/float64(p)))) + b -} - -// ElasticOut easing -// t: current time, b: begInnIng value, c: change In value, d: duration -func ElasticOut(t, b, c, d float32) float32 { - if t == 0 { - return b - } - - t = t / d - - if t == 1 { - return b + c - } - - p := d * 0.3 - a := c - s := p / 4 - - return a*float32(math.Pow(2, -10*float64(t)))*float32(math.Sin(float64(t*d-s)*(2*math.Pi)/float64(p))) + c + b -} - -// ElasticInOut easing -// t: current time, b: begInnIng value, c: change In value, d: duration -func ElasticInOut(t, b, c, d float32) float32 { - if t == 0 { - return b - } - - t = t / d * 2 - - if t == 2 { - return b + c - } - - p := d * (0.3 * 1.5) - a := c - s := p / 4 - - if t < 1 { - t = t - 1 - postFix := a * float32(math.Pow(2, 10*float64(t))) - return -0.5*(postFix*float32(math.Sin(float64(t*d-s)*(2*math.Pi)/float64(p)))) + b - } - - t = t - 1 - postFix := a * float32(math.Pow(2, -10*(float64(t)))) - return postFix*float32(math.Sin(float64(t*d-s)*(2*math.Pi)/float64(p)))*0.5 + c + b -} diff --git a/examples/shapes/easings_ball_anim/main.go b/examples/shapes/easings_ball_anim/main.go deleted file mode 100644 index b8c1ef0..0000000 --- a/examples/shapes/easings_ball_anim/main.go +++ /dev/null @@ -1,85 +0,0 @@ -package main - -import ( - rl "github.com/gen2brain/raylib-go/raylib" -) - -func main() { - screenWidth := int32(800) - screenHeight := int32(450) - - rl.SetConfigFlags(rl.FlagMsaa4xHint) - - rl.InitWindow(screenWidth, screenHeight, "raylib [shapes] example - easings ball anim") - - ballPosX := -100 - ballRadius := 20 - ballAlpha := float32(0) - - state := 0 - frames := 0 - - rl.SetTargetFPS(60) - - for !rl.WindowShouldClose() { - - if state == 0 { - - frames++ - ballPosX = int(ElasticOut(float32(frames), -100, float32(screenWidth/2)+100, 100)) - - if frames >= 100 { - frames = 0 - state = 1 - } - - } else if state == 1 { - frames++ - ballRadius = int(ElasticIn(float32(frames), 20, 500, 150)) - - if frames >= 150 { - frames = 0 - state = 2 - } - } else if state == 2 { - frames++ - ballAlpha = CubicOut(float32(frames), 0, 1, 150) - - if frames >= 150 { - frames = 0 - state = 3 - } - } else if state == 3 { - if rl.IsKeyPressed(rl.KeyEnter) { - ballPosX = -100 - ballRadius = 20 - ballAlpha = 0 - state = 0 - } - - } - - if rl.IsKeyPressed(rl.KeyR) { - frames = 0 - } - - rl.BeginDrawing() - rl.ClearBackground(rl.RayWhite) - - if state >= 2 { - rl.DrawRectangle(0, 0, screenWidth, screenHeight, rl.Green) - } - - rl.DrawCircle(int32(ballPosX), 200, float32(ballRadius), rl.Fade(rl.Red, 1-ballAlpha)) - - if state == 3 { - textlen := rl.MeasureText("press ENTER to replay", 20) - rl.DrawText("press ENTER to replay", (screenWidth/2)-textlen/2, 200, 20, rl.Black) - } - - rl.EndDrawing() - - } - - rl.CloseWindow() -}