186 lines
7.0 KiB
Ruby
186 lines
7.0 KiB
Ruby
# -*- coding: utf-8 -*-
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#==============================================================================
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# ** Spriteset_Weather
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#------------------------------------------------------------------------------
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# A class for weather effects (rain, storm, and snow). It is used within the
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# Spriteset_Map class.
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#==============================================================================
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class Spriteset_Weather
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#--------------------------------------------------------------------------
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# * Public Instance Variables
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#--------------------------------------------------------------------------
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attr_accessor :type # Weather type
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attr_accessor :ox # X coordinate of origin
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attr_accessor :oy # Y coordinate of orgin
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attr_reader :power # Intensity
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#--------------------------------------------------------------------------
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# * Object Initialization
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#--------------------------------------------------------------------------
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def initialize(viewport = nil)
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@viewport = viewport
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init_members
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create_rain_bitmap
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create_storm_bitmap
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create_snow_bitmap
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end
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#--------------------------------------------------------------------------
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# * Initialize Member Variables
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#--------------------------------------------------------------------------
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def init_members
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@type = :none
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@ox = 0
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@oy = 0
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@power = 0
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@sprites = []
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end
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#--------------------------------------------------------------------------
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# * Free
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#--------------------------------------------------------------------------
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def dispose
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@sprites.each {|sprite| sprite.dispose }
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@rain_bitmap.dispose
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@storm_bitmap.dispose
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@snow_bitmap.dispose
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end
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#--------------------------------------------------------------------------
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# * Particle Color 1
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#--------------------------------------------------------------------------
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def particle_color1
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Color.new(255, 255, 255, 192)
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end
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#--------------------------------------------------------------------------
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# * Particle Color 2
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#--------------------------------------------------------------------------
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def particle_color2
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Color.new(255, 255, 255, 96)
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end
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#--------------------------------------------------------------------------
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# * Create [Rain] Weather Bitmap
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#--------------------------------------------------------------------------
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def create_rain_bitmap
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@rain_bitmap = Bitmap.new(7, 42)
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7.times {|i| @rain_bitmap.fill_rect(6-i, i*6, 1, 6, particle_color1) }
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end
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#--------------------------------------------------------------------------
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# * Create [Storm] Weather Bitmap
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#--------------------------------------------------------------------------
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def create_storm_bitmap
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@storm_bitmap = Bitmap.new(34, 64)
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32.times do |i|
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@storm_bitmap.fill_rect(33-i, i*2, 1, 2, particle_color2)
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@storm_bitmap.fill_rect(32-i, i*2, 1, 2, particle_color1)
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@storm_bitmap.fill_rect(31-i, i*2, 1, 2, particle_color2)
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end
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end
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#--------------------------------------------------------------------------
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# * Create [Snow] Weather Bitmap
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#--------------------------------------------------------------------------
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def create_snow_bitmap
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@snow_bitmap = Bitmap.new(6, 6)
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@snow_bitmap.fill_rect(0, 1, 6, 4, particle_color2)
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@snow_bitmap.fill_rect(1, 0, 4, 6, particle_color2)
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@snow_bitmap.fill_rect(1, 2, 4, 2, particle_color1)
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@snow_bitmap.fill_rect(2, 1, 2, 4, particle_color1)
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end
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#--------------------------------------------------------------------------
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# * Set Weather Intensity
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#--------------------------------------------------------------------------
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def power=(power)
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@power = power
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(sprite_max - @sprites.size).times { add_sprite }
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(@sprites.size - sprite_max).times { remove_sprite }
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end
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#--------------------------------------------------------------------------
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# * Get Maximum Number of Sprites
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#--------------------------------------------------------------------------
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def sprite_max
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(@power * 10).to_i
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end
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#--------------------------------------------------------------------------
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# * Add Sprite
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#--------------------------------------------------------------------------
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def add_sprite
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sprite = Sprite.new(@viewport)
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sprite.opacity = 0
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@sprites.push(sprite)
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end
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#--------------------------------------------------------------------------
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# * Delete Sprite
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#--------------------------------------------------------------------------
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def remove_sprite
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sprite = @sprites.pop
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sprite.dispose if sprite
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end
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#--------------------------------------------------------------------------
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# * Frame Update
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#--------------------------------------------------------------------------
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def update
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update_screen
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@sprites.each {|sprite| update_sprite(sprite) }
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end
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#--------------------------------------------------------------------------
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# * Update Screen
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#--------------------------------------------------------------------------
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def update_screen
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@viewport.tone.set(-dimness, -dimness, -dimness)
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end
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#--------------------------------------------------------------------------
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# * Get Dimness
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#--------------------------------------------------------------------------
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def dimness
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(@power * 6).to_i
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end
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#--------------------------------------------------------------------------
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# * Update Sprite
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#--------------------------------------------------------------------------
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def update_sprite(sprite)
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sprite.ox = @ox
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sprite.oy = @oy
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case @type
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when :rain
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update_sprite_rain(sprite)
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when :storm
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update_sprite_storm(sprite)
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when :snow
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update_sprite_snow(sprite)
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end
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create_new_particle(sprite) if sprite.opacity < 64
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end
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#--------------------------------------------------------------------------
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# * Update Sprite [Rain]
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#--------------------------------------------------------------------------
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def update_sprite_rain(sprite)
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sprite.bitmap = @rain_bitmap
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sprite.x -= 1
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sprite.y += 6
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sprite.opacity -= 12
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end
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#--------------------------------------------------------------------------
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# * Update Sprite [Storm]
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#--------------------------------------------------------------------------
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def update_sprite_storm(sprite)
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sprite.bitmap = @storm_bitmap
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sprite.x -= 3
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sprite.y += 6
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sprite.opacity -= 12
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end
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#--------------------------------------------------------------------------
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# * Update Sprite [Snow]
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#--------------------------------------------------------------------------
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def update_sprite_snow(sprite)
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sprite.bitmap = @snow_bitmap
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sprite.x -= 1
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sprite.y += 3
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sprite.opacity -= 12
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end
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#--------------------------------------------------------------------------
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# * Create New Particle
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#--------------------------------------------------------------------------
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def create_new_particle(sprite)
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sprite.x = rand(Graphics.width + 100) - 100 + @ox
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sprite.y = rand(Graphics.height + 200) - 200 + @oy
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sprite.opacity = 160 + rand(96)
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end
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end
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