plopo

game/modules/tome/data/gfx/particles/hotkey_feedback.lua

+-- ToME - Tales of Maj'Eyal
+-- Copyright (C) 2009 - 2015 Nicolas Casalini
+--
+-- This program is free software: you can redistribute it and/or modify
+-- it under the terms of the GNU General Public License as published by
+-- the Free Software Foundation, either version 3 of the License, or
+-- (at your option) any later version.
+--
+-- This program is distributed in the hope that it will be useful,
+-- but WITHOUT ANY WARRANTY; without even the implied warranty of
+-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+-- GNU General Public License for more details.
+--
+-- You should have received a copy of the GNU General Public License
+-- along with this program.  If not, see <http://www.gnu.org/licenses/>.
+--
+-- Nicolas Casalini "DarkGod"
+-- darkgod@te4.org
+
+base_size = 64
+w = w * 0.90
+h = h * 0.90
+local hw = w / 2
+local hh = h / 2
+
+local corners = {
+	{x =  hw, y = -hh, xv= 0, yv= 1,},
+	{x =  hw, y =  hh, xv=-1, yv= 0,},
+	{x = -hw, y =  hh, xv= 0, yv=-1,},
+	{x = -hw, y = -hh, xv= 1, yv= 0,},
+}
+
+local nb = 0
+local cornerid = 1
+local posid = 0
+
+return { blend_mode=core.particles.BLEND_SHINY, generator = function()
+	local corner = corners[cornerid]
+	cornerid = cornerid + 1
+	if cornerid > 4 then cornerid = 1 posid = posid + 1 end
+	if posid > 1 then posid = 0 end
+
+	local life = 12
+	local size = 9
+	local sizev = -0.5 * size / life
+	local x, y = corner.x, corner.y
+	local speed = w / life
+	-- if posid == 1 then
+	-- 	size = size + sizev
+	-- 	life = life - 1
+	-- 	x = x + speed * corner.xv
+	-- 	y = y + speed * corner.yv
+	-- end
+
+	return {
+		trail = 0,
+		life = life,
+		size = size, sizev = sizev, sizea = 0,
+
+		x = x, xv = speed * corner.xv, xa = 0,
+		y = y, yv = speed * corner.yv, ya = 0,
+		dir = 0, dirv = 0, dira = 0,
+		vel = 0, velv = 0, vela = 0,
+
+		r = rng.range(160, 255)/255,   rv = 0, ra = 0,
+		g = rng.range(160, 255)/255,   gv = 0, ga = 0,
+		b = rng.range(20, 85)/255,   gv = 0, ga = 0,
+		a = rng.float(0.3, 0.7),  av = 0, aa = 0,
+	}
+end, },
+function(self)
+	if nb <= 10 then self.ps:emit(4) end
+	nb = nb + 1
+end,
+40, nil, true