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| =begin
Particle Engine
by arevulopapo
port by PK8
Created: 11/15/2007
Modified: 5/9/2012 - 5/12/2012
Ported: 5/10/2012 (VX), 5/12/2012 (Ace)
──────────────────────────────────────────────────────────────────────────────
■ Introduction
This script lets you create particle effects in your game. Particles are
integrated into "Spriteset_Map", so the can be displayed over/under an event.
──────────────────────────────────────────────────────────────────────────────
■ Methods Aliased
Spriteset_Map.initialize
Spriteset_Map.update
Spriteset_Map.dispose
──────────────────────────────────────────────────────────────────────────────
■ Thanks
mobychan for helping out and pointing me to Archeia's RPG Maker VX's Ace
tips and tricks page, which talked about how events set to parallel process
need to be put in a loop in order for them to keep animating while events
are being interacted with.
──────────────────────────────────────────────────────────────────────────────
■ Usage
Effects are called from "Script" command like this:
particle_effect(EVENT_ID, EFFECT, LOCK, X, Y)
EVENT_ID - ID of an event the particles will flow from.
-7/"follower3" for Follower 3
-6/"follower2" for Follower 2
-5/"follower1" for Follower 1
-4/"airship" for Airship.
-3/"ship" for Ship.
-2/"boat" for Boat.
-1/"player" for Player.
1 and above for Events.
* Use @event_id for "This Event"
* Use an array to specify multiple IDs.
EFFECT - name of the effect to call. Names are defined in the
Spriteset_Map. (Find: case effect)
* Use an array to specify multiple effects.
LOCK - alignment of the particles. 'event' to align particles
with event's map position, 'screen' to align with event's
screen position.
For static events, like fireplaces, teleports, etc.
'event' alignment is recommended.
For moving events use 'screen' mode.
X, Y - number of pixels that will be added to the event's position
to determine the starting point of particles.
That's your most powerful weapon. See the demo for examples.
* Use an array to specify multiple X/Y coordinates.
──────────────────────────────────────────────────────────────────────────────
■ Port Modifications
o Added shortcuts within the script calls. You can now use arrays in
EVENT_ID, EFFECT, X, and Y to set more events, effects, and coordinates.
o Users can now set particles onto vehicles by setting EVENT_ID to "boat",
"ship", and "airship".
=end
#==============================================================================
# ** Spriteset_Map
#------------------------------------------------------------------------------
# This class brings together map screen sprites, tilemaps, etc. It's used
# within the Scene_Map class.
#==============================================================================
class Spriteset_Map
#--------------------------------------------------------------------------
# * Add Effect
#--------------------------------------------------------------------------
def add_effect(event=1, effect='', lock='event', x=0, y=0)
# Case: Event
event = event.downcase.gsub(/\s+/, "") if event.is_a?(String)
case event
when -20, "follower16"; object = $game_player.followers[15]
when -19, "follower15"; object = $game_player.followers[14]
when -18, "follower14"; object = $game_player.followers[13]
when -17, "follower13"; object = $game_player.followers[12]
when -16, "follower12"; object = $game_player.followers[11]
when -15, "follower11"; object = $game_player.followers[10]
when -14, "follower10"; object = $game_player.followers[9]
when -13, "follower9"; object = $game_player.followers[8]
when -12, "follower8"; object = $game_player.followers[7]
when -11, "follower7"; object = $game_player.followers[6]
when -10, "follower6"; object = $game_player.followers[5]
when -9, "follower5"; object = $game_player.followers[4]
when -8, "follower4"; object = $game_player.followers[3]
when -7, "follower3"; object = $game_player.followers[2]
when -6, "follower2"; object = $game_player.followers[1]
when -5, "follower1"; object = $game_player.followers[0]
when -4, "airship"; object = $game_map.airship
when -3, "ship"; object = $game_map.ship
when -2, "boat"; object = $game_map.boat
when -1, "player"; object = $game_player
else
if event.is_a?(Integer); object = $game_map.events[event]
else; object = event
end
end
object = nil if object.is_a?(Game_Follower) and $game_player.vehicle != nil
#------------------------------------------------------------------------
# Configuration
#------------------------------------------------------------------------
case effect
# (sprite, acceleration[x,y], gravity[x,y], opacity[base,loss], rotation[initial, speed], size[initial, speed], blending, behind? )
when 'blood_decal_little'
random = rand(2)
sprite = ''
case random
when 0; sprite='blood_decal1'
when 1; sprite='blood_decal2'
when 2; sprite='blood_decal3'
end
add_particles(object, x, y-12, sprite, [0,0], [0,0], [255, rand(10)/10000], [rand(360),0], [1,0], lock, 0, true)
when 'blood_burst_little'
sprite = 'anim_blood1'
add_particles(object, x, y-24, sprite, [0.01,0.01], [0,-0.01], [255, (rand(5)/10)+8], [rand(360),1], [0,0.05], lock, 0, false)
add_particles(object, x, y-24, sprite, [-0.01,-0.01], [0,-0.02], [255, (rand(5)/10)+7], [rand(360),1], [0,0.04], lock, 0, false)
when 'bullet_impact'
sprite = 'smoke'
add_particles(object, x, y-12, sprite, [0,0], [0,0], [255, (rand(5)/10)+5], [rand(360),1], [0,0.03], lock, 0, false)
end
end
#--------------------------------------------------------------------------
# * Public Instance Variables
#--------------------------------------------------------------------------
attr_reader :particles
#--------------------------------------------------------------------------
# * Alias Listings
#--------------------------------------------------------------------------
alias :particle_ssm_init :initialize
alias :particle_ssm_update :update
alias :particle_ssm_dispose :dispose
#--------------------------------------------------------------------------
# * Object Initialization
#--------------------------------------------------------------------------
def initialize
@particles = []
particle_ssm_init
end
#--------------------------------------------------------------------------
# * Dispose
#--------------------------------------------------------------------------
def dispose
@particles.each{ |d| d.dispose }
particle_ssm_dispose
end
#--------------------------------------------------------------------------
# * Frame Update
#--------------------------------------------------------------------------
def update
@particles.each_with_index{ |p,i|
@particles[i].update
if p.opacity == 0
p.dispose
@particles.delete_at(i)
end
}
particle_ssm_update
end
#--------------------------------------------------------------------------
# * Add Particles
#--------------------------------------------------------------------------
def add_particles(object = $game_player, x = 0, y = 0, sprite = '',
acc = [0,0], grav = [0,0], opacity = [255,0], rotation = [0,0], size = [0,0], lock = 'event', blend = 0, behind = false)
if !object.is_a?(NilClass)
if lock == 'event'
@particles << Particle_Event.new(@viewport1, object, x, y, sprite, acc,
grav, opacity, rotation, size, blend, behind)
elsif lock == 'screen'
@particles << Particle_Screen.new(@viewport1, object, x, y, sprite, acc,
grav, opacity, rotation, size, blend, behind)
end
end
end
end
#===============================================================================
# ** Particle_Screen
#===============================================================================
class Particle_Screen < Sprite
#--------------------------------------------------------------------------
# * Object Initialization
#--------------------------------------------------------------------------
def initialize(viewport = Viewport.new(0,0,800,600), object = $game_player,
x = 0, y = 0, sprite = '', acc = [0,0], grav = [0,0], opacity = [255,3],
rotation = [0,0], size = [0,0], blend = 0, behind = false)
if !object.is_a?(NilClass)
super(viewport)
self.bitmap = Cache.picture('Particles/' + sprite)
self.x = object.screen_x + x
self.y = object.screen_y - 16 + y
self.ox = self.oy = self.bitmap.width/2
self.blend_type = blend
self.opacity = opacity[0]
self.angle = rotation[0]
self.zoom_x = self.zoom_y = size[0]
@object = object
@origin = [self.x, self.y]
@acceleration = acc
@gravity = grav
@coords = [0.00, 0.00]
@opacity = opacity[1]
@rotation = rotation[1]
@size = size
@behind = behind
update
end
end
#--------------------------------------------------------------------------
# * Frame Update
#--------------------------------------------------------------------------
def update
if !@object.is_a?(NilClass)
@acceleration[0] -= @gravity[0] if @gravity[0] != 0
@acceleration[1] -= @gravity[1] if @gravity[1] != 0
@coords[0] += @acceleration[0]
@coords[1] += @acceleration[1]
self.opacity -= @opacity
self.angle += @rotation
self.x = @origin[0] + @coords[0]
self.y = @origin[1] + @coords[1]
self.zoom_x += @size[1]
self.zoom_y += @size[1]
if @behind == true
self.z = 0
else
if self.y > (@object.screen_y - 16)
self.z = @object.screen_z + 32
else
if @object == $game_map.airship; self.z = @object.screen_z + 120
elsif @object.is_a?(Game_Follower); self.z = @object.screen_z + 1
else
self.z = @object.screen_z - 32
end
end
end
end
end
end
#===============================================================================
# ** Particle_Event
#===============================================================================
class Particle_Event < Sprite
#--------------------------------------------------------------------------
# * Object Initialization
#--------------------------------------------------------------------------
def initialize(viewport = Viewport.new(0,0,800,600), object = $game_player,
x = 0, y = 0, sprite = '', acc = [0,0], grav = [0,0], opacity = [255,3],
rotation = [0,0], size = [0,0], blend = 0, behind = false)
if !object.is_a?(NilClass)
super(viewport)
self.bitmap = Cache.picture('Particles/' + sprite)
self.x = object.x*32 + 16 - $game_map.display_x * 32 + x
self.y = object.y*32 + 32 - $game_map.display_y * 32 + y
self.ox = self.oy = self.bitmap.width/2
self.blend_type = blend
self.opacity = opacity[0]
self.angle = rotation[0]
self.zoom_x = self.zoom_y = size[0]
@object = object
@origin = [object.x*32 + x + 16, object.y*32 + y + 32]
@acceleration = acc
@gravity = grav
@coords = [0.00, 0.00]
@opacity = opacity[1]
@rotation = rotation[1]
@size = size
@behind = behind
update
end
end
#--------------------------------------------------------------------------
# * Frame Update
#--------------------------------------------------------------------------
def update
if !@object.is_a?(NilClass)
@acceleration[0] -= @gravity[0] if @gravity[0] != 0
@acceleration[1] -= @gravity[1] if @gravity[1] != 0
@coords[0] += @acceleration[0]
@coords[1] += @acceleration[1]
self.opacity -= @opacity
self.angle += @rotation
self.x = @origin[0] + @coords[0] - $game_map.display_x * 32
self.y = @origin[1] + @coords[1] - $game_map.display_y * 32 - 16
self.zoom_x += @size[1]
self.zoom_y += @size[1]
if @behind == true
self.z = 0
else
if self.y > (@object.screen_y - 16)
self.z = @object.screen_z + 40
else
self.z = @object.screen_z - 40
end
end
end
end
end
#==============================================================================
# ** Scene_Map
#------------------------------------------------------------------------------
# This class performs the map screen processing.
#==============================================================================
class Scene_Map < Scene_Base
#--------------------------------------------------------------------------
# * Public Instance Variables
#--------------------------------------------------------------------------
attr_reader :spriteset
end
#==============================================================================
# ** Game_Interpreter
#------------------------------------------------------------------------------
# An interpreter for executing event commands. This class is used within the
# Game_Map, Game_Troop, and Game_Event classes.
#==============================================================================
class Game_Interpreter
#--------------------------------------------------------------------------
# * Add effect
#--------------------------------------------------------------------------
def particle_effect(event=@event_id, effect='', lock='event', x=0, y=0)
event, effect, x, y = Array(event), Array(effect), Array(x), Array(y)
event.each{ |event_i| effect.each{ |effect_i| x.each{ |x_i| y.each{ |y_i|
SceneManager.scene.spriteset.add_effect(event_i, effect_i, lock, x_i, y_i)
} } } }
end
end |
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