Add transparency

Extension/LifeCycle/lifecycle.go

-package lifeycycle
-
-import (
-	//"project-particles/config"
-	"project-particles/particles"
-)
-
-func Life(Part *Particle) {
-	*Part.Life = *Part.Life -1
-	if *Part.Life < 0 {
-		*Part.Overflow = true
-	}
-}
\ No newline at end of file

Extension/LifeCycle/life.json → Extension/life.json

@@ -8,10 +8,12 @@
     "RandomSpawn": true,
     "SpawnX": 400,
     "SpawnY": 400,
-    "SpawnRate": 0,
+    "SpawnRate": 0.0,
     "SpeedLimit": [0,0,0,0],
-    "Colors": [1,1,1,1,1,1],
+    "Colors": [0,1,0,1,0,1], 
     "Gravity": false,
     "GravityCenter": false,
-    "NumCycle": 300
+    "NumCycle": 600,
+    "LifeOpt": "fade",
+    "Death": true
 }
\ No newline at end of file

config/type.go

@@ -20,6 +20,8 @@ type Config struct {
 	Colors                   []float64
 	Gravity, GravityCenter   bool
 	NumCycle                 int
+	LifeOpt					 string
+	Death					 bool
 }
 
 var General Config

main.go

@@ -52,7 +52,7 @@ func commands() {
 			Aliases: []string{"l"},
 			Usage:   "Give particule a \"Life Cycle\"",
 			Action: func(c *cli.Context) {
-				ExecPart("./Extension/Wesh.json")
+				ExecPart("./Extension/life.json")
 			},
 		},
 	}

particles/update.go

 package particles
 
-import "project-particles/config"
+import (
+	"project-particles/config"
+)
 
 // Update mets à jour l'état du système de particules (c'est-à-dire l'état de
 // chacune des particules) à chaque pas de temps. Elle est appellée exactement
@@ -10,14 +12,29 @@ import "project-particles/config"
 
 func Nettoyage(tab []Particle) ([]Particle){
 	for i:=0; i< len(tab); i++{
-		if int(tab[i].PositionX) > config.General.WindowSizeX || int(tab[i].PositionX) < 100 || int(tab[i].PositionY) > config.General.WindowSizeY || int(tab[i].PositionY) < -10{
+		if int(tab[i].PositionX) > config.General.WindowSizeX || int(tab[i].PositionX) < 0 || int(tab[i].PositionY) > config.General.WindowSizeY || int(tab[i].PositionY) < -10{
 			tab[i].Overflow = true
 		}
 	}
 	return tab
 }
 
-
+func UpdateCycle(Part Particle) (Particle) {
+	Part.Life = Part.Life -1
+	if config.General.Death && Part.Life < 0 {
+		Part.Overflow = true
+	}
+	// if config.General.LifeOpt == "white" {
+	// 	Part.ColorRed += (1-Part.ColorRed)*(1-(float64(Part.Life) / float64(config.General.NumCycle)))
+	// 	Part.ColorBlue += (1-Part.ColorBlue)*(1-(float64(Part.Life) / float64(config.General.NumCycle)))
+	// 	Part.ColorGreen += (1-Part.ColorGreen)*(1-(float64(Part.Life) / float64(config.General.NumCycle)))
+	// 	fmt.Println(Part.ColorRed,Part.ColorBlue,Part.ColorGreen)
+	// }
+	if config.General.LifeOpt == "fade" {
+		Part.Opacity = (float64(Part.Life)/float64(config.General.NumCycle))
+	}
+	return Part
+}
 
 func gravite(p Particle) (Particle){
 	if p.SpeedY > 0{
@@ -88,8 +105,6 @@ func spirale(p Particle) (Particle){
 	return p
 }
 
-
-
 func (s *System) Update() {
 	s.Content = Nettoyage(s.Content)
 	
@@ -102,7 +117,12 @@ func (s *System) Update() {
 		if config.General.GravityCenter{
 			s.Content[i] = spirale(s.Content[i])
 		}
+		if config.General.NumCycle > 0 {
+			s.Content[i] = UpdateCycle(s.Content[i])
+		}
 	}
+
+
 	
 	NbSpawn := config.General.SpawnRate + s.SpawBuffer
 	for i:=0; i < int(NbSpawn); i++ {