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55 lines
1.3 KiB
QBasic
55 lines
1.3 KiB
QBasic
#lang basic-demo
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10 PRINT TAB(33);"BOUNCE"
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20 PRINT TAB(15);"CREATIVE COMPUTING MORRISTOWN, NEW JERSEY"
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30 PRINT:PRINT:PRINT
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90 DIM T(20)
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100 PRINT "THIS SIMULATION LETS YOU SPECIFY THE INITIAL VELOCITY"
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110 PRINT "OF A BALL THROWN STRAIGHT UP, AND THE COEFFICIENT OF"
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120 PRINT "ELASTICITY OF THE BALL. PLEASE USE A DECIMAL FRACTION"
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130 PRINT "COEFFICIENCY (LESS THAN 1)."
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131 PRINT
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132 PRINT "YOU ALSO SPECIFY THE TIME INCREMENT TO BE USED IN"
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133 PRINT "'STROBING' THE BALL'S FLIGHT (TRY .1 INITIALLY)."
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134 PRINT
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135 INPUT "TIME INCREMENT (SEC)";S2
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140 PRINT
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150 INPUT "VELOCITY (FPS)";V
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160 PRINT
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170 INPUT "COEFFICIENT";C
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180 PRINT
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182 PRINT "FEET"
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184 PRINT
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186 S1=INT(70/(V/(16*S2)))
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190 FOR I=1 TO S1
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200 T(I)=V*C^(I-1)/16
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210 NEXT I
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220 FOR H=INT(-16*(V/32)^2+V^2/32+.5) TO 0 STEP -.5
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221 IF INT(H)<>H THEN 225
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222 PRINT H;
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225 L=0
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230 FOR I=1 TO S1
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240 FOR TI=0 TO T(I) STEP S2
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245 L=L+S2
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250 IF ABS(H-(.5*(-32)*TI^2+V*C^(I-1)*TI))>.25 THEN 270
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260 PRINT TAB(L/S2);"0";
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270 NEXT TI
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275 TI=T(I+1)/2
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276 IF -16*TI^2+V*C^(I-1)*TI<H THEN 290
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280 NEXT I
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290 PRINT
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300 NEXT H
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310 PRINT TAB(1);
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320 FOR I=1 TO INT(L+1)/S2+1
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330 PRINT ".";
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340 NEXT I
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350 PRINT
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355 PRINT " 0";
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360 FOR I=1 TO INT(L+.9995)
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380 PRINT TAB(INT(I/S2));I;
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390 NEXT I
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400 PRINT
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410 PRINT TAB(INT(L+1)/(2*S2)-2);"SECONDS"
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420 PRINT
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430 GOTO 135
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440 END |