� >Wobball
� By Philip Mellor
!� yr92pm4@hors4th.demon.co.uk
(� Acorn User/Star Info
2
<�9:�
F� � �:�" - ";�:�
P:
Z#� "WOBBALL"'"By Philip Mellor"'
dL� "Animation controls:"'" 1-9: select speed"'" SPACE: reverse motion"'''
n"� "How many frames ?"bank_size
xmemory=(bank_size*40)+16
�1�'"Memory required for sprites = ";memory;"K"
�� "Is this correct? Y/N"
�:
��
�I$=�
�'� I$="Y" � I$="y" � I$="N" � I$="n"
�:
�� I$="N" � I$="n" � �
�:
�� ScaleFactors 16
�:
�blobsize%=1024*memory
�� blob% blobsize%

7blob%!0=blobsize%:blob%!4=0:blob%!8=16:blob%!12=16:

1ș"OS_SpriteOp",256+15,blob%,"blob",0,80,80,9

'ș"OS_SpriteOp",256+29,blob%,"blob"

":

,)ș &2E,&118,blob%,"blob" � ,,blobspr%

6:

@DUMMY=�(-�)

J!r1=�(128):g1=�(128):b1=�(128)

T!r2=r1+128:g2=g1+128:b2=b1+128

^-rs=(r2-r1)/15:gs=(b2-b1)/15:bs=(b2-b1)/15

h� I=1 � 15

r� I,r1,g1,b1

|r1+=rs:g1+=gs:b1+=bs

��

�:

��S=RND(360)

�� X(3),Y(3)

�
� A=1 � 3

�X(A)=�(24)+16

�Y(A)=�(24)+16

��

�
:ROT=0

�:

�fr=0

�S=45

�� F=1 � bank_size
T=F*(360/bank_size)
	fr+=1
�
&:
0OS=S:S=S+F*(360/bank_size)
::
Db=1
N� QY=0 � 1024+48 � 48
X	OS1=S
b	b=3-b
l� b=1 X2=0 � X2=-48
v� QX=X2 � 1280+48 � 48
�	S+=10
��draw_blobs
�spr=256
�spr2=(96/spr)
�x=(192*spr2)
�2�scale("blob",QX-x,QY-x,96*spr2,96*spr2,96,96)
��
�S=OS1+16
��
�S=OS
�:
�>ș"OS_SpriteOp",256+16,blob%,"screen"+� fr,0,0,0,1279,1023
�:
�
:
sf=1:wait=4:sd=1
 �
*sf+=sd:� sf>fr sf=1
4� sf<1 sf=fr
>4ș "OS_SpriteOp",256+34,blob%,"screen"+�sf,0,0,0
H� w=1 � wait:Ȗ:�
R	I$=�0
\%� �(I$)>0 � �(I$)<10 � wait=�(I$)
f� I$=" " � sd=-sd
p�0
z:
��
�:
�� �num(random)
�'� �(2)=1 � =�(random) � =-�(random)
�
���draw_blobs
�'� � ș &2E,r0,r1,r2,r3:�:�" - ";�:�
�.ș &2E,&23C,blob%,blobspr%,0 � r0,r1,r2,r3
�:
�ȑ 160,160
�� C=15 � 1 � -1
�
� 16-C
�:

� A=1 � 1
A2=((360/3)*A)+ROT

R=(C*3)+8
$X=0:�(X(A)*COSRADA2)
.Y=0:�(Y(A)*SINRADA2)
8X+=(8*(16-C)*��S)
BY+=(8*(16-C)*��S)
Lȏ Ȑ X,Y,R*2
V�
`:
j�
tș &2E,r0,r1,r2,r3
~
�1ș &2E,512+&3D,blob%,blobspr%,0 � r0,r1,r2,r3
�ȑ 160,160
�� 0
�ȓ Ȑ -400,-400,800,800
�� 15
�C=15
�
� A=1 � 1
�A2=((360/3)*A)+ROT
�
R=(C*3)+8
�X=0:�(X(A)*COSRADA2)
�Y=0:�(Y(A)*SINRADA2)
�X+=(2*(16-C)*��S)
Y+=(2*(16-C)*��S)

ȏ Ȑ X,Y,(R*2)-8
�
:
(ș &2E,r0,r1,r2,r3
2
ȑ 0,0
<�
F:
P ��scale(sn$,x,y,x1,y1,x2,y2)
Z)!ScaleFactors=x1:!(ScaleFactors+4)=y1
d.!(ScaleFactors+8)=x2:!(ScaleFactors+12)=y2
n3ș&0000002E,52+256,blob%,sn$,x,y,8,ScaleFactors
x�
�

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