dust trail

git-svn-id: http://svn.net-core.org/repos/t-engine4@4637 51575b47-30f0-44d4-a5cc-537603b46e54

game/modules/tome/class/Player.lua

@@ -688,6 +688,9 @@ end
 --- Called after running a step
 function _M:runMoved()
 	self:playerFOV()
+	if self.running and self.running.explore then
+		game.level.map:particleEmitter(self.x, self.y, 1, "dust_trail")
+	end
 end
 
 --- Called after stopping running

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

+-- ToME - Tales of Maj'Eyal
+-- Copyright (C) 2009, 2010, 2011 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 = 32
+
+return { generator = function()
+	-- Make a random palette from light brown, dark brown, green, and black.
+	-- This lets us avoid "weird" colors like yellow, orange, and blue, and
+	-- these particles should still be clearly visible over a variety of terrain.
+	local r1 = rng.float(0, 1)
+	local r2 = rng.float(0, 1)
+	local r3 = rng.float(0, 0.5)
+	local r4 = rng.float(0, 1.5)
+	local tot = r1 + r2 + r3 + r4
+	r1 = r1 / tot
+	r2 = r2 / tot
+	r3 = r3 / tot
+
+	return {
+		trail = 1,
+		life = rng.range(35, 50),
+		size = rng.float(2, 3), sizev = 0, sizea = 0,
+
+		x = rng.range(-12, 12), xv = rng.float(-0.3, 0.3), xa = 0,
+		y = rng.range(-10, 16), yv = rng.float(-0.5, -0.3), ya = 0.02,
+		dir = 0, dirv = 0, dira = 0,
+		vel = 0.0, velv = 0, vela = 0,
+
+		r = r1*0.55 + r2*0.42 + r3*0.10, rv = 0, ra = 0,
+		g = r1*0.45 + r2*0.26 + r3*0.55, gv = 0, ga = 0,
+		b = r1*0.33 + r2*0.15 + r3*0.10, bv = 0, ba = 0,
+		a = 1.0, av = 0, aa = -0.0006,
+	}
+end, },
+function(self)
+	self.nb = (self.nb or 0) + 1
+	if self.nb < 30 then
+		self.ps:emit(6)
+	end
+end,
+40
+