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1-
function round(num, idp)
1+
function HSVtoRGB(hue, sat, val)
2-
  local mult = 10^(idp or 0)
2+
3-
  return math.floor(num * mult + 0.5) / mult
3+
  local h = round(hue / 60)

4-
end
4+
  local f = hue / 60 - h

5-
5+
  local p = val * (1 - sat)

6-
6+
  local q = val * (1 - sat * f)

7-
print("       Analog Clock      ")
7+
  local t = val * (1- sat * (1 - f))

8-
sleep(3.0)
8+
  local r, g, b = 0

9-
9+
  

10-
gpuCount = 0
10+
      

11-
gpus = {}
11+
  if h == 1 then

12-
gpuSide = ""
12+
    r = q

13-
13+
    g = 1

14-
--detecting gpus
14+
    b = p

15-
15+
  elseif h == 2 then

16-
sides = {"back","front","left","right","top"}
16+
    r = p

17-
for i = 1, 5, 1 do
17+
    g = 1

18-
  if peripheral.isPresent(sides[i]) then 
18+
    b = t      

19-
    if peripheral.getType(sides[i]) == "gpu" then
19+
  elseif h == 3 then

20-
      gpuCount = gpuCount + 1                             --increasing gpu count
20+
    r = p

21-
      table.insert(gpus, (#gpus + 1), sides[i]) --adding gpu to list
21+
    g = q

22-
    end
22+
    b = 1    

23-
  end
23+
  elseif h == 4 then

24-
end
24+
    r = t

25-
25+
    g = p

26-
--tell User
26+
    b = 1      

27-
exit = false 
27+
  elseif h == 5 then

28-
28+
    r = 1

29-
if gpuCount == 0 then
29+
    g = p

30-
  print("No gpu found!")
30+
    b = q      

31-
  exit = true
31+
  else

32-
elseif (gpuCount > 1) then
32+
    r = 1

33-
  print("More than 1 gpu found!")
33+
    g = t

34-
  print()
34+
    b = p      

35-
  local reading = true
35+
  end  

36-
  while reading do
36+
  

37-
    print("Please choose:")
37+
  return r, g, b

38-
    for i = 1, #gpus, 1 do 
38+
end

39-
      print("GPU at side: " .. gpus[i])
39+
40-
    end
40+
function round(num, idp)

41-
    print()
41+
  local mult = 10^(idp or 0)

42-
    gpuSide = read()
42+
  return math.floor(num * mult + 0.5) / mult

43-
    
43+
end

44-
    for i = 1, #gpus, 1 do 
44+
45-
45+
46-
      if gpuSide == gpus[i] then
46+
print("       Analog Clock      ")

47-
        reading = false
47+
sleep(3.0)

48-
      end
48+
49-
    end
49+
gpuCount = 0

50-
    
50+
gpus = {}

51-
    if reading == true then
51+
gpuSide = ""

52-
      print("Invaild input!! Please repeat")
52+
53-
      sleep(1.5)
53+
--detecting gpus

54-
    end
54+
55-
  end
55+
sides = {"back","front","left","right","top"}

56-
  
56+
for i = 1, 5, 1 do

57-
elseif gpuCount == 1 then
57+
  if peripheral.isPresent(sides[i]) then 

58-
  gpuSide = gpus[1]
58+
    if peripheral.getType(sides[i]) == "gpu" then

59-
end
59+
      gpuCount = gpuCount + 1                             --increasing gpu count

60-
60+
      table.insert(gpus, (#gpus + 1), sides[i]) --adding gpu to list

61-
if not exit then
61+
    end

62-
  print("GPU at side " .. gpuSide .. " selected")
62+
  end

63-
    
63+
end

64-
  print("Hold [Ctrl] + [T] to terminate!")
64+
65-
  sleep(2)
65+
--tell User

66-
  print("Starting Clock")
66+
exit = false 

67-
  
67+
68-
  while true do
68+
if gpuCount == 0 then

69-
    time = os.time()
69+
  print("No gpu found!")

70-
    
70+
  exit = true

71-
    hours = math.floor(time)
71+
elseif (gpuCount > 1) then

72-
    minutes = math.floor((time-hours)*60)
72+
  print("More than 1 gpu found!")

73-
    
73+
  print()

74-
   
74+
  local reading = true

75-
    --clocCode
75+
  while reading do

76-
      clockCode = "glColor3f(0,0.3,1) glBegin(GL_POINTS)"
76+
    print("Please choose:")

77-
      
77+
    for i = 1, #gpus, 1 do 

78-
      for i = 0,360,1 do
78+
      print("GPU at side: " .. gpus[i])

79-
       clockCode = clockCode .. " glVertex2f(".. round(math.sin( math.rad(i) )*-63 + 63) .. ",".. round(math.cos( math.rad(i) )*-63 + 64)..")"    
79+
    end

80-
      end
80+
    print()

81-
      clockCode = clockCode .. " glEnd()"
81+
    gpuSide = read()

82-
   
82+
    

83-
    -- hourHand
83+
    for i = 1, #gpus, 1 do 

84-
    
84+
85-
      hourHand = " glColor3f(1,1,1) glBegin(GL_TRIANGLES)"
85+
      if gpuSide == gpus[i] then

86-
      
86+
        reading = false

87-
      hourHand = hourHand .. "  glVertex2f(".. round(math.sin( math.rad((hours % 12) * 30 - 2) )*63 + 63) .. ",".. round(math.cos( math.rad((hours % 12) * 30 - 2) )*-63 + 64) .. ")" 
87+
      end

88-
      hourHand = hourHand .. "  glVertex2f(".. round(math.sin( math.rad((hours % 12) * 30 + 2) )*63 + 63) .. ",".. round(math.cos( math.rad((hours % 12) * 30 + 2) )*-63 + 64) ..")" 
88+
    end

89-
      hourHand = hourHand .. "  glVertex2f(63,64)" 
89+
    

90-
      
90+
    if reading == true then

91-
      hourHand = hourHand .. "  glEnd()"
91+
      print("Invaild input!! Please repeat")

92-
      
92+
      sleep(1.5)

93-
    -- minuteHand
93+
    end

94-
    
94+
  end

95-
      minuteHand = " glColor3f(0.8,0,0.1) glBegin(GL_TRIANGLES)"
95+
  

96-
            
96+
elseif gpuCount == 1 then

97-
      minuteHand = minuteHand .. "  glVertex2f(".. round(math.sin( math.rad((minutes) * 6 - 1) )*63 + 63) .. ",".. round(math.cos( math.rad((minutes) * 6 - 1) )*-63 + 64) .. ")" 
97+
  gpuSide = gpus[1]

98-
      minuteHand = minuteHand .. "  glVertex2f(".. round(math.sin( math.rad((minutes) * 6 + 1) )*63 + 63) .. ",".. round(math.cos( math.rad((minutes) * 6 + 1) )*-63 + 64) ..")" 
98+
end

99-
      minuteHand = minuteHand .. "  glVertex2f(63,64)" 
99+
100-
            
100+
if not exit then

101-
      minuteHand = minuteHand .. "  glEnd()"
101+
  print("GPU at side " .. gpuSide .. " selected")

102-
        
102+
  print("Do you want the outer ring to crossfade colors? <y/n>")

103-
    
103+
  local fade = read()

104-
    --EOF creating OPENGL code
104+
  

105-
    
105+
  print("Hold [Ctrl] + [T] to terminate!")

106-
    gpu.setRenderCode(gpuSide, [[
106+
  sleep(2)

107-
    
107+
  print("Starting Clock")

108-
      gpuBindOutputBuffer(1) 
108+
109-
      gpuClearBuffer() 
109+
  color = 0

110-
    
110+
  

111-
      ]] .. clockCode .. " " .. hourHand .. " " .. minuteHand)
111+
  while true do

112-
    
112+
    time = os.time()

113-
    sleep(0.001)
113+
        

114-
  end
114+
    hours = math.floor(time)

115-
  
115+
    minutes = math.floor((time-hours)*60)

116-
end
116+
    

117-
117+
    if fade == "y" or fade == "Y" then

118
      my_r, my_g, my_b = HSVtoRGB(color, 1, 1)  

119
      clockCode = "glColor3f(" .. my_r .. "," .. my_g .."," .. my_b .. ") glBegin(GL_POINTS)"

120
      color = color + 1

121
      if color > 360 then color = 0 end

122
     else 

123
      clockCode = "glColor3f(0,0.3,1) glBegin(GL_POINTS)"

124
     end

125
     

126
      for i = 0,360,1 do

127
       clockCode = clockCode .. " glVertex2f(".. round(math.sin( math.rad(i) )*-63.5 + 63) .. ",".. round(math.cos( math.rad(i) )*-63.5 + 64)..")"    

128
      end

129
      clockCode = clockCode .. " glEnd()"

130
   

131
    -- hourHand

132
    

133
      hourHand = " glColor3f(1,1,1) glBegin(GL_TRIANGLES)"

134
      

135
      hourHand = hourHand .. "  glVertex2f(".. round(math.sin( math.rad((hours % 12) * 30 - 2) )*63.5 + 63) .. ",".. round(math.cos( math.rad((hours % 12) * 30 - 2) )*-63.5 + 64) .. ")" 

136
      hourHand = hourHand .. "  glVertex2f(".. round(math.sin( math.rad((hours % 12) * 30 + 2) )*63.5 + 63) .. ",".. round(math.cos( math.rad((hours % 12) * 30 + 2) )*-63.5 + 64) ..")" 

137
      hourHand = hourHand .. "  glVertex2f(63,64)" 

138
139
      

140
      hourHand = hourHand .. "  glEnd()"

141
      

142
    -- minuteHand

143
    

144
      minuteHand = " glColor3f(0.8,0,0.1) glBegin(GL_TRIANGLES)"

145
            

146
      minuteHand = minuteHand .. "  glVertex2f(".. round(math.sin( math.rad((minutes) * 6 - 1) )*63.5 + 63) .. ",".. round(math.cos( math.rad((minutes) * 6 - 1) )*-63.5 + 64) .. ")" 

147
      minuteHand = minuteHand .. "  glVertex2f(".. round(math.sin( math.rad((minutes) * 6 + 1) )*63.5 + 63) .. ",".. round(math.cos( math.rad((minutes) * 6 + 1) )*-63.5 + 64) ..")" 

148
      minuteHand = minuteHand .. "  glVertex2f(63,64)" 

149
            

150
      minuteHand = minuteHand .. "  glEnd()"

151
        

152
    

153
    --EOF creating OPENGL code

154
    

155
    gpu.setRenderCode(gpuSide, [[

156
    

157
      gpuBindOutputBuffer(1) 

158
      gpuClearBuffer() 

159
    

160
      ]] .. clockCode .. " " .. hourHand .. " " .. minuteHand)

161
      

162
163
    

164
    sleep(0.007)

165
  end

166
  

167
end

168
169
print("Going down..")
        

    


            


                                


        

            



                
    

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