Powerup Script

/* This script is licensed under the BSD license.
Author: Cody Dostal
Author Email: allysman21@gmail.com
Date Written: 4/22/2012
Date Last Edited: 4/24/2012
Engine Version: 3.5.1f2
Script Version: v1.1
*/

/* NOTE: With good chance, you may have to change any hard-coded values in these scripts.
These values work with my version, and may not with your version. */

import UnityEngine

class Powerups (MonoBehaviour):

    // Setting Minimum and Maximum speeds as Floats
    public MinSpeed as single = 0.0F
    public MaxSpeed as single = 0.0F

    private curSpeed as single = 0.0F
    private x as single = 0.0F
    private y as single = 0.0F
    private z as single = 0.0F


    // Variation in the meteors.
    private minRotateSpeed as single = 60f
    private maxRotateSpeed as single = 120f
    private currentRotateSpeed as single = 0.0f

    // Set up explosionPrefab as GameObject. SET IN EDITOR
    public explosionPrefab as GameObject

    def Start ():
        // Setting Start Positions
        y = 4.8F
        z = 0.0F

        // Redirect to "def ranSpotSpeed():"
        ranSpotSpeed()

    def Update ():
        if Enemy.curMeteorFallen >= 12:
            // Setting up the "animation." deltaTime sets the speed to real-world 1s.
            rotationSpeed as single = currentRotateSpeed * Time.deltaTime
            amtToMove = curSpeed * Time.deltaTime

        // Move DOWN the screen.
        transform.Translate(Vector3.down * amtToMove, Space.World)
        // Rotate on the X axis.
        transform.Rotate(Vector3(-1, 0, 0) * rotationSpeed)

        // In case the meteor goes off the bottom of the screen.
        if transform.position.y <= -7.5:
            // Call ranSpotSpeed()
            ranSpotSpeed()
            Enemy.curMeteorFallen = 0

    def ranSpotSpeed():

        // Causing the variables to change the asteroids size/rotate speed.
        currentRotateSpeed = Random.Range(minRotateSpeed, maxRotateSpeed)
        // Setting the x to be random from -5.5, and 5.5 on the screen.
        x = Random.Range(-5.5F, 5.5F)
        // Setting up the vector
        newPos = Vector3(x,y,z)
        // Setting the Enemy to start at newPos, our vector
        transform.position = newPos
        // Setting speed to be random between MinSpeed and MaxSpeed as set in the Editor
        curSpeed = Random.Range(MinSpeed, MaxSpeed)

    // If something enters the collider, (must be PRIMITIVE collider, not MESH collider).
    def OnTriggerEnter(thisObject as Collider):
        // Call ranSpotSpeed to "rebuild" (although it is never actually destroyed) at the top.
        ranSpotSpeed()
        Enemy.curMeteorFallen = 0