Funktion spawnParticleAsGrid() ausgelagert. Funktion spawned partikel in einem Grid um die Startposition für die Simulation zu setzen

main.go

@@ -1,7 +1,6 @@
 package main
 
 import (
-	"fmt"
 	"time"
 
 	rl "github.com/gen2brain/raylib-go/raylib"
@@ -9,6 +8,17 @@ import (
 
 const MAXPOINTS = 100
 
+func spawnParticlesAsGrid(particleWidth float32, particleHeight float32, particleColumnCount int, particleRowCount int, particleList *[MAXPOINTS]rl.Vector2) {
+	var particleLeftCornerPos rl.Vector2 = rl.Vector2{500, 300}
+
+	for y := 0; y < (particleColumnCount); y++ {
+		for x := 0; x < particleRowCount; x++ {
+			newParticle := rl.NewVector2(particleWidth*(float32(x)/float32(particleRowCount))+particleLeftCornerPos.X, particleHeight*(float32(y)/float32(particleColumnCount))+particleLeftCornerPos.Y)
+			particleList[y*particleRowCount+x] = newParticle
+		}
+	}
+}
+
 func main() {
 	rl.InitWindow(1200, 800, "raylib [core] example - basic window")
 	defer rl.CloseWindow()
@@ -25,37 +35,34 @@ func main() {
 	var particleWidth float32 = 200
 	var particleHeight float32 = 200
 	var particleColumnCount int = 10
-	var particleRowCount int = MAXPOINTS / particleColumnCount
+	var particleRowCount int = 10
-	var particleRadius float32 = 10
+	var particleRadius float32 = 5
 	var particleColor rl.Color = rl.Black
-	var particleLeftCornerPos rl.Vector2 = rl.Vector2{500, 300}
 	var gravity rl.Vector2 = rl.Vector2{0, 10}
 	//var stepSize float32 = 10
 	var particleSpeed rl.Vector2 = rl.Vector2{0, -100} //pixel pro zeitinkrement
 	var timeIncrement float32 = 0.1
 	var particleList = [MAXPOINTS]rl.Vector2{}
 
-	for y := 0; y < (particleColumnCount); y++ {
+	spawnParticlesAsGrid(particleWidth, particleHeight, particleColumnCount, particleRowCount, &particleList)
-		for x := 0; x < particleRowCount; x++ {
+
-			if (y == particleColumnCount) && (x >= MAXPOINTS%particleColumnCount) {
-				fmt.Println(y, x)
-			} else {
-				newParticle := rl.NewVector2(particleWidth*(float32(x)/float32(particleRowCount))+particleLeftCornerPos.X, particleHeight*(float32(y)/float32(particleColumnCount))+particleLeftCornerPos.Y)
-				particleList[y*particleRowCount+x] = newParticle
-			}
-		}
-	}
 	for j := float32(0); j < 20; {
 		rl.BeginDrawing()
 		time.Sleep(time.Duration(timeIncrement*100) * time.Millisecond)
 		for i := 0; i < MAXPOINTS; i++ {
 			rl.DrawCircleV(particleList[i], particleRadius, particleColor)
-			particleList[i] = rl.Vector2Add(particleList[i], rl.Vector2Scale(particleSpeed, timeIncrement))
+			particleList[i] =
+				rl.Vector2Add(
+					particleList[i],
+					rl.Vector2Scale(particleSpeed, timeIncrement))
 		}
 		rl.EndDrawing()
 		rl.ClearBackground(rl.RayWhite)
-		fmt.Println(particleList)
+		//fmt.Println(particleList)
-		particleSpeed = rl.Vector2Add(particleSpeed, rl.Vector2Scale(gravity, timeIncrement))
+		particleSpeed =
+			rl.Vector2Add(
+				particleSpeed,
+				rl.Vector2Scale(gravity, timeIncrement))
 		j += timeIncrement
 	}