| 6387 |
leency |
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; application : Tiny ray tracer |
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; compilator : Fasm |
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; system : MenuetOS64/KolibriOS |
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; author : Maciej Guba aka macgub |
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; email : macgub3@wp.pl |
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; web : http://macgub.hekko.pl |
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include "../../macros.inc" |
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timeout equ 3 |
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XRES equ 500 ; window size |
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YRES equ 500 |
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maxx = XRES |
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maxy = YRES |
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use32 |
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org 0x0 |
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db 'MENUET01' ; 8 byte id |
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dd 0x01 ; header version |
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dd START ; start of code |
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dd I_END ; size of image |
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dd I_END ; memory for app |
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dd I_END ; esp |
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dd 0x0 , 0x0 ; I_Param , I_Icon |
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START: ; start of execution |
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29 |
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call draw_window |
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still: |
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mov eax,23 ; wait here for event |
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mov ebx,timeout |
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int 0x40 |
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; mov eax,11 ; check for event no wait |
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; int 0x40 |
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cmp eax,1 ; redraw request ? |
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je red |
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cmp eax,2 ; key in buffer ? |
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je key |
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cmp eax,3 ; button in buffer ? |
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je button |
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jmp noclose |
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48 |
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red: ; redraw |
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call draw_window |
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jmp still |
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key: ; key |
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mov eax,2 ; just read it and ignore |
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int 0x40 |
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jmp still |
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button: ; button |
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mov eax,17 ; get id |
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int 0x40 |
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cmp ah,1 ; button id=1 ? |
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jne noclose |
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mov eax,-1 ; close this program |
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int 0x40 |
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noclose: |
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; mov eax,13 |
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; mov ebx,20*65536+maxx-25 |
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; mov ecx,20*65536+maxy-25 |
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; xor edx,edx |
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; int 0x40 |
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mov edi,screen |
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mov ecx,maxx*maxy*3/4 |
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xor eax,eax |
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cld |
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rep stosd |
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add [deg_counter],1 |
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cmp [deg_counter],360 |
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jne @f |
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mov [deg_counter],0 |
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@@: |
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fninit |
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fld [one_deg] |
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fimul [deg_counter] |
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fsincos |
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fstp [sin] |
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fstp [cos] |
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mov ecx,MAX_SPHERES ;MAX_LIGHTS |
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mov esi,non_rot_sphere ;light |
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mov edi,sphere |
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.rotary: |
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fld dword[esi] |
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fsub [xo] |
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fmul [cos] |
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fld dword[esi+8] |
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fsub [zo] |
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fmul [sin] |
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fchs |
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faddp |
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fadd [xo] ; top of stack - new 'x' |
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fstp dword[edi] |
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fld dword[esi+8] |
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fsub [zo] |
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fmul [cos] |
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fld dword[esi] |
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fsub dword[xo] |
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fmul [sin] |
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faddp |
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fadd [zo] |
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fstp dword[edi+8] |
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; fld dword[esi+4] |
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; fstp dword[edi+4] |
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push dword[esi+4] |
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pop dword[edi+4] |
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mov dword[edi+12],0.0 |
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add esi,12 |
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add edi,16 |
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sub ecx,1 |
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jnz .rotary |
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mov ecx,MAX_LIGHTS |
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mov esi,non_rot_light |
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mov edi,light |
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.rotary_lights: |
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fld dword[esi] |
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fsub [xo] |
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fmul [cos] |
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fld dword[esi+4] |
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fsub [yo] |
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fmul [sin] |
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fchs |
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faddp |
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fadd [xo] ; top of stack - new 'x' |
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fstp dword[edi] |
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fld dword[esi] |
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fsub [xo] |
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fmul [sin] |
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fchs |
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fld dword[esi+4] |
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fsub dword[yo] |
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fmul [cos] |
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faddp |
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fadd [yo] |
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fstp dword[edi+4] |
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; fld dword[esi+8] |
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; fstp dword[edi+8] |
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push dword[esi+8] |
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pop dword[edi+8] |
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mov dword[edi+12],0.0 |
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add esi,12 |
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add edi,16 |
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sub ecx,1 |
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jnz .rotary_lights |
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170 |
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call main_loop |
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mcall 7,screen,,<0,0> |
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jmp still |
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include 'RAY.INC' |
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; ********************************************* |
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; ******* WINDOW DEFINITIONS AND DRAW ******** |
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; ********************************************* |
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draw_window: |
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mcall 12,1 |
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mcall 48,4 ; get skin height |
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lea ecx,[eax + (100 shl 16) + maxy+4] |
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mov edi,title |
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mcall 0,<100,maxx+9>,,0x74000000 |
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mcall 12,2 |
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ret |
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title db 'Ray tracing',0 |
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xo dd 0.5 |
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yo dd 0.5 |
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zo dd 0.1 |
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deg_counter dw 0 |
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one_deg dd 0.017453 |
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include 'dataray.inc' |
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sin dd ? |
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cos dd ? |
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screen rb XRES * YRES * 3 |
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mem_stack: |
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rb 65536 |
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I_END: |
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213 |
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