Snippet - Socoder

-=+=- -=+=- -=+=- -=+=- -=+=- -=+=- -=+=- -=+=- -=+=- -=+=- -=+=- -=+=- -=+=- -=+=- -=+=- -=+=- -=+=- -=+=- -=+=- -=+=- -=+=- -=+=- -=+=- -=+=- -=+=- -=+=- -=+=- -=+=- -=+=- -=+=- (c) WidthPadding Industries 1987 0\|547\|0 -=+=- -=+=- -=+=- -=+=- -=+=- -=+=- -=+=- -=+=- -=+=- -=+=- -=+=- -=+=- -=+=- -=+=- -=+=- -=+=- -=+=- -=+=- -=+=- -=+=- -=+=- -=+=- -=+=- -=+=- -=+=- -=+=- -=+=- -=+=- -=+=- -=+=-
SoCoder -> Snippet Home -> Graphical Effects

mike_g	Created : 01 January 2007 Edited : 01 January 2007 Fizzy Vortex
Happy new year. Heres a fizzy vortex to celebrate, and make your head spin. Graphics 1024, 768 Global particles = CreateImage(GraphicsWidth(), GraphicsHeight()) Global count, oldtime, fps ;for fps Global mode Global col_timer, col_change SeedRnd MilliSecs() Type particle Field x#, y#, id, ang#, spd ;For colour effects Field r, g, b; rf, gf, bf ;for circle particles. start size and expand rate Field rad#, expand#, expand_max End Type Global rf =10 Global gf =10 Global bf =10 cx = 512: cy = 360: radius = 100 radmod = 1: degmod = 5 SetBuffer BackBuffer() While Not KeyHit(1) Cls If mode = 0 degree = degree + degmod If degree = 360 Then degree = 0 radius = radius + radmod If radius > 300 Then radmod = -1 If radius < 50 Then radmod = 1 x_pos = (cx - radius * Cos(degree)) y_pos = (cy - radius * Sin(degree)) x_pos2 = (cx + radius * Cos(degree)) y_pos2 = (cy + radius * Sin(degree)) NEW_BURST(x_pos, y_pos, 8) NEW_BURST(x_pos2, y_pos2, 8) CIRCLE_PARTICLES(0) Text 460, 0, "HIT MOUSE TO EXPLODE" If MouseHit(1) Then mode = 1 If MouseHit(2) degmod = - degmod COL_CHANGE() Else If Rand(0, 2) = 0 Then NEW_BURST(Rand(0, 1023), Rand(0, 768),Rand(10, 30)) CIRCLE_PARTICLES(1) t=t+ 1 If t > 100 mode = 0 t=0 EndIf EndIf DrawImage particles, 0, 0 FPS() Flip Wend ;---------------------------; Function NEW_BURST(x_pos, y_pos, parts) a_step# = Float(360)/parts test = a_step# For i = 1 To parts p.particle = New particle p\x = x_pos p\y = y_pos p\ang# = Rand(0, 356) p\expand = 0.1 p\rad = 0.1 p\expand_max = 10 p\spd = 1 p\rad = 0.1 p\expand_max = 30 p\spd = 1 If mode = 1 Then p\expand = Float(Rand(1, 5))/10 p\r = 255 p\g = 255 p\b = 255 Next End Function ;---------------------------; Function CIRCLE_PARTICLES(fill) SetBuffer ImageBuffer(particles) Cls LockBuffer For p.particle = Each particle If p\x < -rad Or p\x >= GraphicsWidth()+rad Or p\y < -rad Or p\y >= GraphicsWidth()+rad Delete p.particle Else If p\rad# < p\expand_max Then p\rad# = p\rad# + p\expand# If p\r >= rf Then p\r = p\r - rf If p\g >= gf Then p\g = p\g - gf If p\b >= bf Then p\b = p\b - bf col = (p\r Shl 16) + (p\g Shl 8) + p\b p\x = p\x +Cos(p\ang)p\spd p\y = p\y +Sin(p\ang)p\spd If fill = 0 CIRCLE(p\x, p\y, p\rad, col) Else F_CIRCLE(p\x, p\y, p\rad, col) EndIf If col <= (rf Shl 16)+(gf Shl 8)+bf Then Delete p.particle EndIf Next UnlockBuffer SetBuffer BackBuffer() End Function ;---------------------------; Function CIRCLE(cx, cy, radius, col) d = 3 - (radius Shl 1) x = 0 y = radius LockBuffer Repeat WritePixel cx + x, cy + y, col WritePixel cx + x, cy - y, col WritePixel cx - x, cy + y, col WritePixel cx - x, cy - y, col WritePixel cx + y, cy + x, col WritePixel cx + y, cy - x, col WritePixel cx - y, cy + x, col WritePixel cx - y, cy - x, col If d < 0 Then d = d + (x Shl 2) + 6 Else d = d + ((x-y) Shl 2) + 10 y = y - 1 End If x = x + 1 Until x > y UnlockBuffer End Function ;---------------------------; Function F_CIRCLE(cx, cy, rad, col) inc# = Float(360/(radPi2)) steps = 90/inc# For i = 0 To steps x1 = (cx - rad * Cos(deg#)) y1 = (cy - rad * Sin(deg#)) x2 = cx+cx-x1 y2 = cy+cy-y1 If x1 < 0 Then x1 = 0 If x2 > 1023 Then x2 = 1023 If y1 < 0 Then y1 = 0 If y1 > 767 Then y1 = 767 If y2 < 0 Then y2 = 0 If y2 > 767 Then y2 = 767 For x = x1 To x2 WritePixelFast x, y1, col Next For x = x1 To x2 WritePixelFast x, y2, col Next deg# = deg# + inc# Next End Function ;---------------------------; Function FPS() Text 0, 0, "FPS: "+fps time = MilliSecs() - oldtime count = count + 1 If time >= 1000 fps = count count = 0 oldtime=MilliSecs() EndIf End Function ;---------------------------; Function COL_CHANGE() col_timer = col_timer + 1 If col_timer = 10 col_timer = 0 If col_change = 0 rf = rf - 1 If rf = 0 col_change = col_change + 1 EndIf Else If col_change = 1 rf = rf + 1 gf = gf - 1 If gf = 0 col_change = col_change + 1 EndIf Else If col_change = 2 bf = bf - 1 gf = gf + 1 If bf = 0 col_change = col_change + 1 EndIf Else If col_change = 3 rf = rf - 1 gf = gf - 1 bf = bf + 1 If rf = 0 col_change = col_change + 1 EndIf Else If col_change = 4 rf = rf + 1 bf = bf - 1 If bf = 0 col_change = col_change + 1 EndIf Else If col_change = 5 bf = bf + 1 gf = gf + 1 If bf = 5 col_change = 0 EndIf EndIf EndIf End Function --v

Comments
Monday, 01 January 2007, 11:54
shroom_monk	I got a MAV when I tryed to run this. The debugger said that it was on the line: SetBuffer ImageBuffer(particles) --v 'Image does not exist'
Monday, 01 January 2007, 16:05
mike_g	Sorry I missed out the top few lines on code with the cut and paste. Anyway,its fixed now.
Monday, 01 January 2007, 21:15
magicman	sweet!
Tuesday, 02 January 2007, 01:26
shroom_monk	Wow! That is pretty cool!
Tuesday, 02 January 2007, 01:30
andrewsoltan	Wow, that's nice, If you edited it correctly, then you could make a music visulaiser out of it. Anyway,mike_g gets a 5

Fizzy Vortex

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