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Get distx

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1 Definition
2 Parameters
3 Returns
4 Notes
5 Example

[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.

get_distx() and get_disty()

[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() •

Retrieved from "http://www.fenixdocs.com/index.php/Get_distx"

Categories: Functions | Math

Get distx

From FenixWiki

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[edit] Definition

[edit] Parameters

[edit] Returns

[edit] Notes

[edit] Example

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 [[Category:functions]]
-[[Category:Processinteraction]]
+[[Category:math]]
 ==Definition==
 Returns the horizontal distance in pixels of a specified displacement.
+This is the same as <code>[[cos]](''angle'')*''distance''</code>.
 == Parameters ==
 == 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.
+{{Image
+  | image = get_distxy.png
+  | caption = [[get_distx]]() and [[get_disty]]()
+}}
 == Example ==
 <pre>
-Program example;
+Global
-global
     xdist;
     ydist;
     ang;
     mydraw;
+End
+Process Main()
 Begin
     set_mode(640,480,16);
-    set_fps(50,0);
+    set_fps (50,0);
-    graph=new_map(3,3,16);
+    graph = new_map(3,3,16);
     map_clear(0,graph,rgb(0,255,0));
-    x=320;y=240;
+    x = 320;
+    y = 240;
     set_text_color(rgb(0,0,0));
-    write(0,60,0,2,"X Diff: ");
+    write    (0,60, 0,2,"X Diff: ");
-    write_int(0,60,0,0,&xdist);
+    write_int(0,60, 0,0,&xdist);
-    write(0,60,10,2,"Y Diff: ");
+    write    (0,60,10,2,"Y Diff: ");
     write_int(0,60,10,0,&ydist);
-    write(0,60,20,2,"Angle: ");
+    write    (0,60,20,2,"Angle: ");
     write_int(0,60,20,0,&ang);
-    write(0,60,30,2,"Distance: ");
+    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");
+    write    (0,10,40,0,"Left/right rotates your angle, up/down changes your distance");
     put(0,graph,x,y);
         end
-        xdist=get_distx(ang,dist);
+        xdist = get_distx(ang,dist);
-        ydist=get_disty(ang,dist);
+        ydist = get_disty(ang,dist);
-        x=320+xdist;
+        x = 320 + xdist;
-        y=240+ydist;
+        y = 240 + ydist;
         frame;
     until(key(_esc))
+    let_me_alone();
     exit();
 End
-process drawing_background()
+Process drawing_background()
-begin
+Begin
-    graph=new_map(640,480,16);set_center(0,graph,0,0);map_clear(0,graph,rgb(64,0,0));
+    graph = new_map(640,480,16);
-    drawing_map(0,graph);drawing_color(rgb(0,0,0));
+    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
-        if(mydraw>0)delete_draw(mydraw);end
         map_clear(0,graph,rgb(255,255,255));
-        mydraw=draw_line(320,240,father.x,father.y);
+        mydraw = draw_line(320,240,father.x,father.y);
-    frame;
+        frame;
+        delete_draw(mydraw);
     end
-end
+OnExit
+    unload_map(0,graph);
+End
 </pre>
+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]]()
+{{Funcbox
+ | category = Math
+}}