Go to most recent revision | Details | Last modification | View Log | RSS feed
Rev | Author | Line No. | Line |
---|---|---|---|
661 | ataualpa | 1 | ; |
2 | ; application : 3d shaking waved spiral |
||
3 | ; compilator : fasm |
||
4 | ; system : MenuetOS |
||
5 | ; author : macgub |
||
6 | ; email : macgub3@wp |
||
7 | |||
8 | timeout equ 3 |
||
9 | maxx equ 600 ; window size |
||
10 | maxy equ 420 |
||
11 | use32 |
||
12 | |||
13 | org 0x0 |
||
14 | |||
15 | db 'MENUET01' ; 8 byte id |
||
16 | dd 0x01 ; header version |
||
17 | dd START ; start of code |
||
18 | dd I_END ; size of image |
||
19 | dd 0x100000 ; memory for app |
||
20 | dd 0xbffff ; esp |
||
21 | dd 0x0 , 0x0 ; I_Param , I_Icon |
||
22 | |||
23 | START: ; start of execution |
||
24 | |||
25 | call draw_window |
||
26 | |||
27 | still: |
||
28 | |||
29 | ; mov eax,23 ; wait here for event |
||
30 | ; mov ebx,timeout |
||
31 | ; int 0x40 |
||
32 | mov eax,11 ; check for event no wait |
||
33 | int 0x40 |
||
34 | |||
35 | cmp eax,1 ; redraw request ? |
||
36 | je red |
||
37 | cmp eax,2 ; key in buffer ? |
||
38 | je key |
||
39 | cmp eax,3 ; button in buffer ? |
||
40 | je button |
||
41 | |||
42 | jmp noclose |
||
43 | |||
44 | red: ; redraw |
||
45 | call draw_window |
||
46 | jmp still |
||
47 | |||
48 | key: ; key |
||
49 | mov eax,2 ; just read it and ignore |
||
50 | int 0x40 |
||
51 | jmp still |
||
52 | |||
53 | button: ; button |
||
54 | mov eax,17 ; get id |
||
55 | int 0x40 |
||
56 | |||
57 | cmp ah,1 ; button id=1 ? |
||
58 | jne noclose |
||
59 | |||
60 | mov eax,-1 ; close this program |
||
61 | int 0x40 |
||
62 | noclose: |
||
63 | |||
64 | ; mov eax,13 |
||
65 | ; mov ebx,20*65536+maxx-25 |
||
66 | ; mov ecx,20*65536+maxy-25 |
||
67 | ; xor edx,edx |
||
68 | ; int 0x40 |
||
69 | |||
70 | mov edi,screen_buf |
||
71 | mov ecx,maxx*maxy*3/4 |
||
72 | xor eax,eax |
||
73 | cld |
||
74 | rep stosd |
||
75 | |||
76 | |||
77 | call calc_deg |
||
78 | mov [z],0 |
||
79 | mov [sin_counter],0 |
||
80 | finit |
||
81 | oopz: |
||
82 | mov [x],0 |
||
83 | push [z] |
||
84 | call calc_sin_variable |
||
85 | oop: |
||
86 | push [x] |
||
87 | ; call getcol ;(x,z) |
||
88 | call fun ; calculates y and y1 |
||
89 | ; call rotateY |
||
90 | mov eax,[sin_variable] |
||
91 | add eax,[vector_x] ; vector_x |
||
92 | add [x],eax |
||
93 | mov eax,[vector_y] |
||
94 | add [y],eax ; vector_y |
||
95 | add [y1],eax |
||
96 | call point_perspective |
||
97 | call draw_point_3d |
||
98 | pop [x] |
||
99 | inc [x] |
||
100 | mov eax,[x] |
||
101 | cmp eax,[loop_counter] |
||
102 | jne oop |
||
103 | inc [sin_counter] |
||
104 | pop [z] |
||
105 | inc [z] |
||
106 | cmp [z],200 |
||
107 | jne oopz |
||
108 | |||
109 | mov eax,7 |
||
110 | mov ebx,screen_buf |
||
111 | mov ecx,maxx*65536+maxy |
||
112 | mov edx,20*65536+20 |
||
113 | int 0x40 |
||
114 | |||
115 | call set_elipse_dim |
||
116 | call set_vectors |
||
117 | |||
118 | jmp still |
||
119 | ;-----------------++++++PROCEDURES |
||
120 | getcol: |
||
121 | mov eax,[x_resolution] |
||
122 | mul [z] |
||
123 | add eax,[x] |
||
124 | mov ebx,eax |
||
125 | mov eax,35 |
||
126 | int 0x40 |
||
127 | mov [col],eax |
||
128 | ret |
||
129 | |||
130 | set_vectors: |
||
131 | cmp [vector_x],55 |
||
132 | jne vec1 |
||
133 | mov [vector_dir_x],1 |
||
134 | vec1: |
||
135 | cmp [vector_x],250 |
||
136 | jne vec2 |
||
137 | mov [vector_dir_x],0 |
||
138 | vec2: |
||
139 | cmp [vector_dir_x],1 |
||
140 | jne vec3 |
||
141 | inc [vector_x] |
||
142 | jmp end_x |
||
143 | vec3: |
||
144 | dec [vector_x] |
||
145 | end_x: |
||
146 | cmp [vector_y],195 |
||
147 | jne vec4 |
||
148 | mov [vector_dir_y],1 |
||
149 | vec4: |
||
150 | cmp [vector_y],205 |
||
151 | jne vec5 |
||
152 | mov [vector_dir_y],0 |
||
153 | vec5: |
||
154 | cmp [vector_dir_y],1 |
||
155 | jne vec6 |
||
156 | inc [vector_y] |
||
157 | ret |
||
158 | vec6: |
||
159 | dec [vector_y] |
||
160 | ret |
||
161 | set_elipse_dim: |
||
162 | cmp [b],60 |
||
163 | jne go11 |
||
164 | mov [elipse_dir],0 |
||
165 | go11: |
||
166 | cmp [b],10 |
||
167 | jne go12 |
||
168 | mov [elipse_dir],1 |
||
169 | go12: |
||
170 | cmp [elipse_dir],1 |
||
171 | jne go13 |
||
172 | inc [b] |
||
173 | dec [a] |
||
174 | mov eax,[a] |
||
175 | mov [xo],eax |
||
176 | shl eax,1 |
||
177 | inc eax |
||
178 | mov [loop_counter],eax |
||
179 | ret |
||
180 | go13: |
||
181 | dec [b] |
||
182 | inc [a] |
||
183 | mov eax,[a] |
||
184 | mov [xo],eax |
||
185 | shl eax,1 |
||
186 | inc eax |
||
187 | mov [loop_counter],eax |
||
188 | ret |
||
189 | |||
190 | calc_deg: |
||
191 | cmp [deg_counter], 360 |
||
192 | jne go_deg |
||
193 | mov [deg_counter],0 |
||
194 | go_deg: |
||
195 | fldpi |
||
196 | fidiv [deg_div] |
||
197 | fimul [deg_counter] |
||
198 | fstp [current_deg] |
||
199 | ; fsincos |
||
200 | ; fstp [cosbeta] |
||
201 | ; fstp [sinbeta] |
||
202 | inc [deg_counter] |
||
203 | ret |
||
204 | |||
205 | ;rotateY: |
||
206 | ; mov eax,[z] |
||
207 | ; sub eax,[zoo] |
||
208 | ; mov [subz],eax |
||
209 | ; mov eax,[x] |
||
210 | ; sub eax,[xoo] |
||
211 | ; mov [subx],eax |
||
212 | ; |
||
213 | ; fld [sinbeta] |
||
214 | ; fimul [subz] |
||
215 | ; fchs |
||
216 | ; fld [cosbeta] |
||
217 | ; fimul[subx] |
||
218 | ; faddp |
||
219 | ; fiadd [xoo] |
||
220 | ; fistp [x] |
||
221 | |||
222 | ; fld [sinbeta] |
||
223 | ; fimul [subx] |
||
224 | ; fld [cosbeta] |
||
225 | ; fimul [subz] |
||
226 | ; faddp |
||
227 | ; fiadd [zoo] |
||
228 | ; fistp [z] |
||
229 | ; finit |
||
230 | |||
231 | ; ret |
||
232 | |||
233 | point_perspective: |
||
234 | mov eax,[x] |
||
235 | sub eax,[xobs] |
||
236 | mov [xobssub],eax |
||
237 | mov eax,[z] |
||
238 | sub eax,[zobs] |
||
239 | mov [zobssub],eax |
||
240 | |||
241 | mov eax,[y] |
||
242 | sub eax,[yobs] |
||
243 | mov [yobssub],eax |
||
244 | mov eax,[y1] |
||
245 | sub eax,[yobs] |
||
246 | mov [y1obssub],eax |
||
247 | |||
248 | finit |
||
249 | fild [xobssub] |
||
250 | fidiv [zobssub] |
||
251 | fimul [zobs] |
||
252 | fchs |
||
253 | fiadd [xobs] |
||
254 | fistp [x] |
||
255 | fild [yobssub] |
||
256 | fidiv [zobssub] |
||
257 | fimul [zobs] |
||
258 | fchs |
||
259 | fiadd [yobs] |
||
260 | fistp [y] |
||
261 | |||
262 | ; mov eax,[xobssub] |
||
263 | ; idiv [zobssub] |
||
264 | ;; mov eax,edx |
||
265 | ; imul [zobs] |
||
266 | ; neg eax |
||
267 | ; add eax,[xobs] |
||
268 | ; mov [x],eax |
||
269 | ; mov eax,[yobssub] |
||
270 | ; idiv [zobssub] |
||
271 | ;; mov eax,edx |
||
272 | ; imul [zobs] |
||
273 | ; neg eax |
||
274 | ; add eax,[yobs] |
||
275 | ; mov [y],eax |
||
276 | |||
277 | fild [y1obssub] |
||
278 | fidiv [zobssub] |
||
279 | fimul [zobs] |
||
280 | fchs |
||
281 | fiadd [yobs] |
||
282 | fistp [y1] |
||
283 | ret |
||
284 | calc_sin_variable: |
||
285 | ;calculate sinus variable |
||
286 | fldpi |
||
287 | fidiv [sin_gran] |
||
288 | fimul [sin_counter] |
||
289 | fadd [current_deg] |
||
290 | fsin |
||
291 | fimul [sin_mul] |
||
292 | fistp [sin_variable] |
||
293 | ret |
||
294 | |||
295 | fun: |
||
296 | ; finit |
||
297 | fild [x] |
||
298 | fisub [xo] |
||
299 | ; fchs |
||
300 | ; faddp |
||
301 | fild [a] |
||
302 | fdivp st1,st |
||
303 | fmul st,st0 |
||
304 | fchs |
||
305 | fld1 |
||
306 | faddp |
||
307 | fsqrt |
||
308 | fimul [b] |
||
309 | fld st |
||
310 | fchs |
||
311 | fiadd [yo] |
||
312 | fistp [y] |
||
313 | fiadd [yo] |
||
314 | fistp [y1] |
||
315 | ret |
||
316 | draw_point_3d: |
||
317 | mov eax,[z] |
||
318 | imul [sq] |
||
319 | shr eax,10 |
||
320 | mov ebx,eax |
||
321 | neg eax |
||
322 | push eax |
||
323 | add eax,[y] |
||
324 | mov [y],eax |
||
325 | pop eax |
||
326 | add eax,[y1] |
||
327 | mov [y1],eax |
||
328 | mov eax,ebx |
||
329 | add eax,[x] |
||
330 | mov [x],eax |
||
331 | ;mov eax,1 |
||
332 | ;mov ebx,[x] |
||
333 | ;mov ecx,[y] |
||
334 | ;mov edx,[col] |
||
335 | ;int 0x40 |
||
336 | ;mov ecx,[y1] |
||
337 | ;int 0x40 |
||
338 | mov eax,maxx |
||
339 | mul [y] |
||
340 | add eax,[x] |
||
341 | mov ebx,eax |
||
342 | shl ebx,1 |
||
343 | add eax,ebx |
||
344 | add eax,screen_buf |
||
345 | mov ebx,[col] |
||
346 | or [eax],ebx |
||
347 | mov eax,maxx |
||
348 | mul [y1] |
||
349 | add eax,[x] |
||
350 | mov ebx,eax |
||
351 | shl ebx,1 |
||
352 | add eax,ebx |
||
353 | add eax,screen_buf |
||
354 | mov ebx,[col] |
||
355 | or [eax],ebx |
||
356 | ret |
||
357 | |||
358 | ; ********************************************* |
||
359 | ; ******* WINDOW DEFINITIONS AND DRAW ******** |
||
360 | ; ********************************************* |
||
361 | draw_window: |
||
362 | |||
363 | mov eax,12 ; function 12:tell os about windowdraw |
||
364 | mov ebx,1 ; 1, start of draw |
||
365 | int 0x40 |
||
366 | ; DRAW WINDOW |
||
367 | mov eax,0 ; function 0 : define and draw window |
||
368 | mov ebx,100*65536+maxx+25 ; [x start] *65536 + [x size] |
||
369 | mov ecx,100*65536+maxy+25 ; [y start] *65536 + [y size] |
||
370 | mov edx,0x04000000 ; color of work area RRGGBB,8->color gl |
||
371 | mov esi,0x805080d0 ; color of grab bar RRGGBB,8->color gl |
||
372 | mov edi,0x005080d0 ; color of frames RRGGBB |
||
373 | int 0x40 |
||
374 | ; WINDOW LABEL |
||
375 | mov eax,4 ; function 4 : write text to window |
||
376 | mov ebx,8*65536+8 ; [x start] *65536 + [y start] |
||
377 | mov ecx,0x10ddeeff ; font 1 & color ( 0xF0RRGGBB ) |
||
378 | mov edx,labelt ; pointer to text beginning |
||
379 | mov esi,labellen-labelt ; text length |
||
380 | int 0x40 |
||
381 | |||
382 | mov eax,12 ; function 12:tell os about windowdraw |
||
383 | mov ebx,2 ; 2, end of draw |
||
384 | int 0x40 |
||
385 | |||
386 | ret |
||
387 | |||
388 | x_resolution dd 800 |
||
389 | vector_x dd 200 |
||
390 | vector_y dd 200 |
||
391 | vector_dir_x db 1 |
||
392 | vector_dir_y db 1 |
||
393 | elipse_dir db 1 |
||
394 | |||
395 | deg_counter dd ? ; rotation variables |
||
396 | deg_div dd 20 |
||
397 | current_deg dd ? |
||
398 | ;cosbeta dd ? |
||
399 | ;sinbeta dd ? |
||
400 | ;zoo dd 100 ; rotation axle |
||
401 | ;xoo dd 40 |
||
402 | ;yoo dd 20 |
||
403 | ;subx dd ? |
||
404 | ;suby dd ? |
||
405 | ;subz dd ? |
||
406 | |||
407 | xobs dd maxx/2 ; 320 observer variables |
||
408 | yobs dd maxy/2 ; 175 |
||
409 | zobs dd -200 |
||
410 | xobssub dd ? |
||
411 | yobssub dd ? |
||
412 | y1obssub dd ? |
||
413 | zobssub dd ? |
||
414 | |||
415 | sin_variable dd ? |
||
416 | sin_mul dd 60 |
||
417 | sin_gran dd 30 |
||
418 | sin_counter dd 0 |
||
419 | sq dd 724 ; round( (sqrt2)/2*1024 ) |
||
420 | z dd ? |
||
421 | x dd ? |
||
422 | y dd ? |
||
423 | y1 dd ? |
||
424 | xo dd 70 ; center point , (loop counter-1)/2 |
||
425 | yo dd 20 |
||
426 | a dd 70 ; vertical half-axle |
||
427 | b dd 20 ; horizontal half-axle |
||
428 | loop_counter dd 141 ; axle granularity |
||
429 | col dd 0x00ffffff |
||
430 | |||
431 | labelt: |
||
432 | db ' 3D SHAKING WAVED SPIRAL' |
||
433 | labellen: |
||
434 | screen_buf: |
||
435 | |||
436 | I_END: |
||
437 |