Microsoft Small Basic

Program Listing: RQB683-3

List Program

' Rocket 0.51 (RQB683-3)
' 10/07/2013 16:10:22 Shapes generated by Shapes 1.5b
'
GraphicsWindow.Title = "Rocket 0.51"
' initialize shapes
SB_Workaround()
Stars_Add()
Shapes_Init()
' add shapes
scale = 1
angle = 0
iMin = 1
iMax = 15
Shapes_Add()
' main code added by Nonki Takahashi
x = shX
dx = 0
dy = 5
For y = shY To 10 Step -2
Shapes_Move()
Stars_Scroll()
l = (y - 10) / 160 * 255 * 2
If 255 < l Then
color = GraphicsWindow.GetColorFromRGB(l - 255, l - 255, 255)
Else
color = GraphicsWindow.GetColorFromRGB(0, 0, l)
EndIf
GraphicsWindow.BackgroundColor = color
EndFor
For angle = 0 To -90 Step -2
Shapes_Rotate()
dx = -5 * Math.Sin(Math.GetRadians(angle))
dy = 5 * Math.Cos(Math.GetRadians(angle))
Stars_Scroll()
EndFor
dx = 5
dy = 0
For t = 0 To 360 * 3 Step 8
angle = -90 + 5 * Math.Sin(t * Math.Pi / 180)
Shapes_Rotate()
Stars_Scroll()
EndFor
For angle = angle To 0 Step 2
Shapes_Rotate()
dx = -5 * Math.Sin(Math.GetRadians(angle))
dy = -5 * Math.Cos(Math.GetRadians(angle))
Stars_Scroll()
EndFor
x = shX
dx = 0
dy = -5
For y = shY To 170 Step 2
Shapes_Move()
Stars_Scroll()
l = (y - 10) / 160 * 255 * 2
If 255 < l Then
color = GraphicsWindow.GetColorFromRGB(l - 255, l - 255, 255)
Else
color = GraphicsWindow.GetColorFromRGB(0, 0, l)
EndIf
GraphicsWindow.BackgroundColor = color
EndFor
' main end
Sub Stars_Add
nStars = 50
gw = GraphicsWindow.Width
gh = GraphicsWindow.Height
GraphicsWindow.PenWidth = 0
GraphicsWindow.BrushColor = "White"
For i = 1 To nStars
star["x" + i] = Math.GetRandomNumber(gw)
star["y" + i] = Math.GetRandomNumber(gh)
star["o" + i] = Shapes.AddEllipse(2, 2)
Shapes.Move(star["o" + i], star["x" + i], star["y" + i])
EndFor
EndSub
Sub Stars_Scroll
For i = 1 To nStars
star["x" + i] = star["x" + i] + dx
If star["x" + i] < 0 Then
star["x" + i] = star["x" + i] + gw
ElseIf gw <= star["x" + i] Then
star["x" + i] = star["x" + i] - gw
EndIf
star["y" + i] = star["y" + i] + dy
If star["y" + i] < 0 Then
star["y" + i] = star["y" + i] + gh
ElseIf gh <= star["y" + i] Then
star["y" + i] = star["y" + i] - gh
EndIf
Shapes.Move(star["o" + i], star["x" + i], star["y" + i])
EndFor
EndSub
Sub Shapes_Init
' Shapes | Initialize shapes data
' return shX, shY - current position of shapes
' return shape - array of shapes
shX = 230 ' x offset
shY = 170 ' y offset
shape = ""
shape[1] = "func=tri;x=22;y=0;x1=70;y1=0;x2=0;y2=96;x3=140;y3=96;bc=#752424;pc=#000000;pw=2;"
shape[2] = "func=tri;x=0;y=194;x1=21;y1=0;x2=0;y2=78;x3=42;y3=78;bc=#6E6E6E;pc=#000000;pw=2;"
shape[3] = "func=tri;x=142;y=193;x1=20;y1=0;x2=0;y2=80;x3=41;y3=80;bc=#6E6E6E;pc=#000000;pw=2;"
shape[4] = "func=tri;x=52;y=189;x1=41;y1=0;x2=0;y2=70;x3=82;y3=70;bc=#1F1F1F;pc=#000000;pw=2;"
shape[5] = "func=rect;x=21;y=96;width=143;height=144;bc=#6E6E6E;pc=#000000;pw=2;"
shape[6] = "func=tri;x=73;y=192;x1=20;y1=0;x2=0;y2=81;x3=41;y3=81;bc=#6E6E6E;pc=#000000;pw=2;"
shape[7] = "func=ell;x=51;y=101;width=84;height=88;bc=#6E6E6E;pc=#000000;pw=2;"
shape[8] = "func=ell;x=59;y=110;width=68;height=71;bc=#217DBB;pc=#000000;pw=2;"
shape[9] = "func=ell;x=29;y=211;width=16;height=18;bc=#6E6E6E;pc=#000000;pw=2;"
shape[10] = "func=ell;x=56;y=213;width=16;height=17;bc=#6E6E6E;pc=#000000;pw=2;"
shape[11] = "func=ell;x=115;y=213;width=15;height=16;bc=#6E6E6E;pc=#000000;pw=2;"
shape[12] = "func=ell;x=140;y=213;width=12;height=15;bc=#6E6E6E;pc=#000000;pw=2;"
shape[13] = "func=ell;x=65;y=278;width=57;height=146;bc=#FF0F0F;pw=0;"
shape[14] = "func=ell;x=76;y=286;width=36;height=102;bc=#FF930F;pw=0;"
shape[15] = "func=ell;x=85;y=291;width=18;height=50;bc=#FFEF0F;pw=0;"
EndSub
Sub Math_CartesianToPolar
' Math | convert cartesian coodinate to polar coordinate
' param x, y - cartesian coordinate
' return r, a - polar coordinate
r = Math.SquareRoot(x * x + y * y)
If x = 0 And y > 0 Then
a = 90 ' [degree]
ElseIf x = 0 And y < 0 Then
a = -90
Else
a = Math.ArcTan(y / x) * 180 / Math.Pi
EndIf
If x < 0 Then
a = a + 180
ElseIf x > 0 And y < 0 Then
a = a + 360
EndIf
EndSub
Sub SB_RotateWorkaround
' Small Basic | Rotate workaround for Silverlight
' param x, y - original coordinate
' param alpha - angle [radian]
' returns x, y - workaround coordinate
If shape[i]["func"] = "tri" Then
x1 = -Math.Floor(shape[i]["x3"] / 2)
y1 = -Math.Floor(shape[i]["y3"] / 2)
ElseIf shape[i]["func"] = "line" Then
x1 = -Math.Floor(Math.Abs(shape[i]["x1"] - shape[i]["x2"]) / 2)
y1 = -Math.Floor(Math.Abs(shape[i]["y1"] - shape[i]["y2"]) / 2)
EndIf
ox = x - x1
oy = y - y1
x = x1 * Math.Cos(alpha) - y1 * Math.Sin(alpha) + ox
y = x1 * Math.Sin(alpha) + y1 * Math.Cos(alpha) + oy
EndSub
Sub SB_Workaround
' Small Basic | Workaround for Silverlight
' returns silverlight - "True" if in remote
color = GraphicsWindow.GetPixel(0, 0)
If Text.GetLength(color) > 7 Then
silverlight = "True"
msWait = 300
Else
silverlight = "False"
EndIf
EndSub
Sub Shapes_Add
' Shapes | add shapes as shapes data
' param iMin, iMax - shape indices to add
' param shape - array of shapes
' param scale - 1 if same scale
' return shWidth, shHeight - total size of shapes
' return shAngle - current angle of shapes
Stack.PushValue("local", i)
Shapes_CalcWidthAndHeight()
s = scale
For i = iMin To iMax
GraphicsWindow.PenWidth = shape[i]["pw"] * s
If shape[i]["pw"] > 0 Then
GraphicsWindow.PenColor = shape[i]["pc"]
EndIf
If Text.IsSubText("rect|ell|tri|text", shape[i]["func"]) Then
GraphicsWindow.BrushColor = shape[i]["bc"]
EndIf
If shape[i]["func"] = "rect" Then
shape[i]["obj"] = Shapes.AddRectangle(shape[i]["width"]* s, shape[i]["height"] * s)
ElseIf shape[i]["func"] = "ell" Then
shape[i]["obj"] = Shapes.AddEllipse(shape[i]["width"]* s, shape[i]["height"] * s)
ElseIf shape[i]["func"] = "tri" Then
shape[i]["obj"] = Shapes.AddTriangle(shape[i]["x1"] * s, shape[i]["y1"] * s, shape[i]["x2"] * s, shape[i]["y2"] * s, shape[i]["x3"] * s, shape[i]["y3"] * s)
ElseIf shape[i]["func"] = "line" Then
shape[i]["obj"] = Shapes.AddLine(shape[i]["x1"] * s, shape[i]["y1"] * s, shape[i]["x2"] * s, shape[i]["y2"] * s)
ElseIf shape[i]["func"] = "text" Then
If silverlight Then
fs = Math.Floor(shape[i]["fs"] * 0.9)
Else
fs = shape[i]["fs"]
EndIf
GraphicsWindow.FontSize = fs * s
GraphicsWindow.FontName = shape[i]["fn"]
shape[i]["obj"] = Shapes.AddText(shape[i]["text"])
EndIf
If silverlight And shape[i]["func"] = "tri" Then
alpha = Math.GetRadians(shape[i]["angle"])
x1 = -Math.Floor(shape[i]["x3"] / 2)
y1 = -Math.Floor(shape[i]["y3"] / 2)
ox = shape[i]["x"] - x1
oy = shape[i]["y"] - y1
r = Math.SquareRoot(x1 * x1 + y1 * y1)
x = x1 * Math.Cos(alpha) - y1 * Math.Sin(alpha) + ox
y = x1 * Math.Sin(alpha) + y1 * Math.Cos(alpha) + oy
Shapes.Move(shape[i]["obj"], shX + x * s, shY + y * s)
Else
Shapes.Move(shape[i]["obj"], shX + shape[i]["x"] * s, shY + shape[i]["y"] * s)
EndIf
If Text.IsSubText("rect|ell|tri|text", shape[i]["func"]) And shape[i]["angle"] <> 0 Then
Shapes.Rotate(shape[i]["obj"], shape[i]["angle"])
EndIf
shape[i]["rx"] = shape[i]["x"]
shape[i]["ry"] = shape[i]["y"]
EndFor
shAngle = 0
i = Stack.PopValue("local")
EndSub
Sub Shapes_CalcRotatePos
' Shapes | Calculate position for rotated shape
' param["x"], param["y"] - position of a shape
' param["width"], param["height"] - size of a shape
' param ["cx"], param["cy"] - center of rotation
' param ["angle"] - rotate angle
' return x, y - rotated position of a shape
_cx = param["x"] + param["width"] / 2
_cy = param["y"] + param["height"] / 2
x = _cx - param["cx"]
y = _cy - param["cy"]
Math_CartesianToPolar()
a = a + param["angle"]
x = r * Math.Cos(a * Math.Pi / 180)
y = r * Math.Sin(a * Math.Pi / 180)
_cx = x + param["cx"]
_cy = y + param["cy"]
x = _cx - param["width"] / 2
y = _cy - param["height"] / 2
EndSub
Sub Shapes_CalcWidthAndHeight
' Shapes | Calculate total width and height of shapes
' param iMin, iMax - shape indices to add
' return shWidth, shHeight - total size of shapes
For i = iMin To iMax
If shape[i]["func"] = "tri" Or shape[i]["func"] = "line" Then
xmin = shape[i]["x1"]
xmax = shape[i]["x1"]
ymin = shape[i]["y1"]
ymax = shape[i]["y1"]
If shape[i]["x2"] < xmin Then
xmin = shape[i]["x2"]
EndIf
If xmax < shape[i]["x2"] Then
xmax = shape[i]["x2"]
EndIf
If shape[i]["y2"] < ymin Then
ymin = shape[i]["y2"]
EndIf
If ymax < shape[i]["y2"] Then
ymax = shape[i]["y2"]
EndIf
If shape[i]["func"] = "tri" Then
If shape[i]["x3"] < xmin Then
xmin = shape[i]["x3"]
EndIf
If xmax < shape[i]["x3"] Then
xmax = shape[i]["x3"]
EndIf
If shape[i]["y3"] < ymin Then
ymin = shape[i]["y3"]
EndIf
If ymax < shape[i]["y3"] Then
ymax = shape[i]["y3"]
EndIf
EndIf
shape[i]["width"] = xmax - xmin
shape[i]["height"] = ymax - ymin
EndIf
If i = 1 Then
shWidth = shape[i]["x"] + shape[i]["width"]
shHeight = shape[i]["y"] + shape[i]["height"]
Else
If shWidth < shape[i]["x"] + shape[i]["width"] Then
shWidth = shape[i]["x"] + shape[i]["width"]
EndIf
If shHeight < shape[i]["y"] + shape[i]["height"] Then
shHeight = shape[i]["y"] + shape[i]["height"]
EndIf
EndIf
EndFor
EndSub
Sub Shapes_Move
' Shapes | Move shapes
' param iMin, iMax - shape indices to add
' param shape - array of shapes
' param scale - to zoom
' param x, y - position to move
' return shX, shY - new position of shapes
Stack.PushValue("local", i)
s = scale
shX = x
shY = y
For i = iMin To iMax
_x = shape[i]["rx"]
_y = shape[i]["ry"]
Shapes.Move(shape[i]["obj"], shX + _x * s, shY + _y * s)
EndFor
i = Stack.PopValue("local")
EndSub
Sub Shapes_Remove
' Shapes | Remove shapes
' param iMin, iMax - shapes indices to remove
' param shape - array of shapes
Stack.PushValue("local", i)
For i = iMin To iMax
Shapes.Remove(shape[i]["obj"])
EndFor
i = Stack.PopValue("local")
EndSub
Sub Shapes_Rotate
' Shapes | Rotate shapes
' param iMin, iMax - shapes indices to rotate
' param shape - array of shapes
' param scale - to zoom
' param angle - to rotate
Stack.PushValue("local", i)
Stack.PushValue("local", x)
Stack.PushValue("local", y)
s = scale
param["angle"] = angle
param["cx"] = shWidth / 2
param["cy"] = shHeight / 2
For i = iMin To iMax
param["x"] = shape[i]["x"]
param["y"] = shape[i]["y"]
param["width"] = shape[i]["width"]
param["height"] = shape[i]["height"]
Shapes_CalcRotatePos()
If silverlight And Text.IsSubText("tri|line", shape[i]["func"]) Then
alpha = Math.GetRadians(angle + shape[i]["angle"])
SB_RotateWorkAround()
EndIf
shape[i]["rx"] = x
shape[i]["ry"] = y
Shapes.Move(shape[i]["obj"], shX + x * s, shY + y * s)
Shapes.Rotate(shape[i]["obj"], angle + shape[i]["angle"])
EndFor
y = Stack.PopValue("local")
x = Stack.PopValue("local")
i = Stack.PopValue("local")
EndSub