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Get distx
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[edit] Definition
INT get_distx ( <INT angle> , <INT distance> )
Returns the horizontal distance in pixels of a specified displacement.
This is the same as cos(angle)*distance
.
[edit] Parameters
INT angle | - Angle, in thousandths of degrees (90° = 90000). |
INT distance | - Length (in pixels) to measure. |
[edit] Returns
INT : The horizontal distance, in pixels, of a specified displacement.
[edit] Notes
This function returns the width of an imaginary rectangle who's opposite corners are the specified distance apart, at the specified angle from each other.
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[edit] Example
Global xdist; ydist; dist; ang; mydraw; End Process Main() Begin set_mode(640,480,16); set_fps (50,0); graph = new_map(3,3,16); map_clear(0,graph,rgb(0,255,0)); x = 320; y = 240; set_text_color(rgb(0,0,0)); write (0,60, 0,2,"X Diff: "); write_int(0,60, 0,0,&xdist); write (0,60,10,2,"Y Diff: "); write_int(0,60,10,0,&ydist); write (0,60,20,2,"Angle: "); write_int(0,60,20,0,&ang); write (0,60,30,2,"Distance: "); write_int(0,60,30,0,&dist); write (0,10,40,0,"Left/right rotates your angle, up/down changes your distance"); put(0,graph,x,y); drawing_background(); repeat if(key(_up)) dist++; end if(key(_down)) dist--; end if(key(_left)) ang-=1000; end if(key(_right)) ang+=1000; end xdist = get_distx(ang,dist); ydist = get_disty(ang,dist); x = 320 + xdist; y = 240 + ydist; frame; until(key(_esc)) let_me_alone(); exit(); End Process drawing_background() Begin graph = new_map(640,480,16); set_ceter (0,graph,0,0); map_clear (0,graph,rgb(64,0,0)); drawing_map (0,graph); drawing_color(rgb(0,0,0)); loop map_clear(0,graph,rgb(255,255,255)); mydraw = draw_line(320,240,father.x,father.y); frame; delete_draw(mydraw); end OnExit unload_map(0,graph); End
Used in example: set_mode(), set_fps(), new_map(), set_text_color(), write(), write_int(), put(), key(), get_distx(), get_disty(), let_me_alone(), exit(), set_center(), map_clear(), rgb(), drawing_map(), drawing_color(), draw_line(), delete_draw(), unload_map()
Math Functions | |
• Abs() • Acos() • Asin() • Atan() • Cos() • Fget_angle() • Fget_dist() • Get_distx() • Get_disty() • Pow() • Rand() • Rand_seed() • Sin() • Sqrt() • Tan() • |