ByteDice/BDE_ParticleSys
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significantly changed emitter params. STILL A LOT OF ERRORS.

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ByteDice
2024-11-29 19:38:43 +01:00
parent 6728445280
commit 939867934b
9 changed files with 260 additions and 270 deletions
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src/main/kotlin/com/bytedice/bde_particles/Math.kt
-39
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@@ -137,45 +137,6 @@ fun quatToEuler(quat: Vector4f): Vector3f {
}
fun randomInCircle(r: Float) : Vector2f {
val randRadius = r * sqrt(randomFloatBetween(0.0f, 1.0f))
val randAngle = randomFloatBetween(0.0f, Math.PI.toFloat() * 2)
val randomPos = Vector2f(randRadius * cos(randAngle), randRadius * sin(randAngle))
return randomPos
}
fun randomInSphere(r: Float) : Vector3f {
val randRadius = r * Random.nextDouble().pow(1.0 / 3.0)
val phi = Random.nextDouble(0.0, 2 * Math.PI)
val cosTheta = Random.nextDouble(-1.0, 1.0)
val theta = acos(cosTheta)
val x = randRadius * sin(theta) * cos(phi)
val y = randRadius * sin(theta) * sin(phi)
val z = randRadius * cos(theta)
return Vector3f(x.toFloat(), y.toFloat(), z.toFloat())
}
fun randomInRect(size: Vector2f) : Vector2f {
return Vector2f(randomFloatBetween(0.0f, size.x), randomFloatBetween(0.0f, size.y))
}
fun randomInCube(size: Vector3f) : Vector3f {
return Vector3f(
randomFloatBetween(0.0f, size.x),
randomFloatBetween(0.0f, size.y),
randomFloatBetween(0.0f, size.z)
)
}
fun transformOffsetByQuat(offset: Vector3f, rotation: Vector4f): Vector3f {
val x = offset.x
val y = offset.y