方块溅射特效机制升级,支持更高级的路径

This commit is contained in:
MrZ626
2020-11-25 15:53:11 +08:00
parent ac76984052
commit 6a2ac1e669
2 changed files with 27 additions and 11 deletions

View File

@@ -1,7 +1,6 @@
local gc=love.graphics
local setColor,setWidth=gc.setColor,gc.setLineWidth
local max,min=math.max,math.min
local sin,cos=math.sin,math.cos
local rnd=math.random
local rem=table.remove
@@ -31,8 +30,14 @@ FXupdate.ripple=normUpdate
FXupdate.rectRipple=normUpdate
FXupdate.shade=normUpdate
function FXupdate.cell(S,dt)
S.x=S.x+S.vx
S.y=S.y+S.vy
if S.vx then
S.x=S.x+S.vx
S.y=S.y+S.vy
if S.ax then
S.vx=S.vx+S.ax
S.vy=S.vy+S.ay
end
end
S.t=S.t+dt*S.rate
return S.t>1
end
@@ -148,15 +153,17 @@ function SYSFX.newShade(rate,r,g,b,x,y,w,h)
x=x,y=y,w=w,h=h,
}
end
function SYSFX.newCell(rate,image,x,y,size)
local v,a=1+rnd(),rnd()*6.28
function SYSFX.newCell(rate,image,size,x,y,vx,vy,ax,ay)
fx[#fx+1]={
update=FXupdate.cell,
draw=FXdraw.cell,
t=0,
rate=rate,image=image,
x=x,y=y,size=size,
vx=v*cos(a),vy=v*sin(a),
rate=rate*(.9+rnd()*.2),
image=image,
size=size,
x=x,y=y,
vx=vx,vy=vy,
ax=ax,ay=ay,
}
end
return SYSFX