add default particle strategy

Author: SmartToolFactory

Tutorial1-1Basics/src/main/java/com/smarttoolfactory/tutorial1_1basics/chapter6_graphics/ParticlePhysics.kt

@@ -226,8 +226,7 @@ class ExplodingParticle(
  )
  }
 
- currentTime = trajectoryProgress
-// .mapInRange(0f, 1f, 0f, 1.4f)
+ currentTime = scale(0f, 1f, trajectoryProgress, 0f, 1.4f)
 
  // While trajectory progress is less than 70% have full alpha then slowly cre
  alpha = if (trajectoryProgress < .7f) 1f else

Tutorial1-1Basics/src/main/java/com/smarttoolfactory/tutorial1_1basics/chapter6_graphics/Tutorial6_30LinearInterpolation.kt

@@ -461,14 +461,6 @@ fun SnackCard(
  }
 }
 
-@Preview
-@Composable
-fun Test() {
- val scaledValue = scale(0f, 1f, 0.5f, 100f, 200f)
-
- println("scaledValue: $scaledValue")
-}
-
 // Scale x1 from a1..b1 range to a2..b2 range
 internal fun scale(a1: Float, b1: Float, x1: Float, a2: Float, b2: Float) =
  lerp(a2, b2, calcFraction(a1, b1, x1))