Get angle - Revision history

Sandman at 11:40, 25 December 2007

Sandman — Tue, 25 Dec 2007 11:40:20 GMT

←Older revision		Revision as of 11:40, 25 December 2007
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	It could look something like:<br>		It could look something like:<br>
	http://wwwhome.cs.utwente.nl/~bergfi/fenix/wiki/get_angle.PNG		http://wwwhome.cs.utwente.nl/~bergfi/fenix/wiki/get_angle.PNG
		+
		+	{{Funcbox
		+	\| category = Processinteraction
		+	}}

Sandman: /* Example */

Sandman — Wed, 11 Jul 2007 12:11:33 GMT

Example

←Older revision		Revision as of 12:11, 11 July 2007
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	This example could also be done with [[fget_angle]](), which is easier and doesn't require an extra [[process]].		This example could also be done with [[fget_angle]](), which is easier and doesn't require an extra [[process]].
		+
		+	It could look something like:<br>
		+	http://wwwhome.cs.utwente.nl/~bergfi/fenix/wiki/get_angle.PNG

Sandman: /* Example */

Sandman — Wed, 11 Jul 2007 12:08:53 GMT

Example

←Older revision		Revision as of 12:08, 11 July 2007
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	Used in example: [[set_mode]](), [[new_map]](), [[map_clear]](), [[drawing_map]](), [[drawing_color]](), [[draw_line]](), [[write]](), [[write_int]](), [[get_id]](), [[get_angle]](), [[get_dist]](), [[resolution]], [[mouse]], [[graph]], [[x]], [[y]], [[angle]], [[priority]]		Used in example: [[set_mode]](), [[new_map]](), [[map_clear]](), [[drawing_map]](), [[drawing_color]](), [[draw_line]](), [[write]](), [[write_int]](), [[get_id]](), [[get_angle]](), [[get_dist]](), [[resolution]], [[mouse]], [[graph]], [[x]], [[y]], [[angle]], [[priority]]

-	This example could also be done with [[~~fget_dist~~]](), which is easier and doesn't require an extra [[process]].	+	This example could also be done with [[fget_angle]](), which is easier and doesn't require an extra [[process]].

Sandman: /* Example */

Sandman — Wed, 11 Jul 2007 12:08:40 GMT

Example

←Older revision		Revision as of 12:08, 11 July 2007
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	</pre>		</pre>
	Used in example: [[set_mode]](), [[new_map]](), [[map_clear]](), [[drawing_map]](), [[drawing_color]](), [[draw_line]](), [[write]](), [[write_int]](), [[get_id]](), [[get_angle]](), [[get_dist]](), [[resolution]], [[mouse]], [[graph]], [[x]], [[y]], [[angle]], [[priority]]		Used in example: [[set_mode]](), [[new_map]](), [[map_clear]](), [[drawing_map]](), [[drawing_color]](), [[draw_line]](), [[write]](), [[write_int]](), [[get_id]](), [[get_angle]](), [[get_dist]](), [[resolution]], [[mouse]], [[graph]], [[x]], [[y]], [[angle]], [[priority]]
		+
		+	This example could also be done with [[fget_dist]](), which is easier and doesn't require an extra [[process]].

Sandman: /* Definition */

Sandman — Wed, 11 Jul 2007 12:07:22 GMT

Definition

←Older revision		Revision as of 12:07, 11 July 2007
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	'''INT''' get_angle ( <'''INT''' processID> )		'''INT''' get_angle ( <'''INT''' processID> )

-	Returns the [[angle]] between the coordinates of a certain [[process]] and the process calling get_angle().	+	Returns the [[angle]] between the coordinates of a certain [[process]] and the process calling [[get_angle]]().

	== Parameters ==		== Parameters ==

Sandman at 11:56, 11 July 2007

Sandman — Wed, 11 Jul 2007 11:56:22 GMT

←Older revision		Revision as of 11:56, 11 July 2007
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	Program angling;		Program angling;
	Const		Const
-	screen_width = 320;	+	screen_width = 320;
-	screen_height = 200;	+	screen_height = 200;
-	screen_depth = 8;	+	screen_depth = 8;
		+	screen_fps = 60;
		+	screen_frameskip = 0;
		+	Global
		+	int distance;
		+	int tempID;
	Begin		Begin

	// Set the screen mode		// Set the screen mode
	set_mode(screen_width,screen_height,screen_depth);		set_mode(screen_width,screen_height,screen_depth);
		+	set_fps(screen_fps,screen_frameskip);

-	// Create mouse graph and start ~~moisepointer~~	+	// Change this to see what happens
		+	resolution = 100;
		+
		+	// Create mouse graph and start mousepointer
	x = new_map(20,20,screen_depth);		x = new_map(20,20,screen_depth);
	map_clear(0,x,rgb(255,0,0));		map_clear(0,x,rgb(255,0,0));
Line 45:		Line 54:

	// Set position		// Set position
-	x = screen_width /2;	+	x = screen_width /2 * resolution;
-	y = screen_height/2;	+	y = screen_height/2 * resolution;
		+
		+	// Display distance
		+	write(0,0,0,0,"Distance:");
		+	write_int(0,60,0,0,&distance);

	// Always point to the mouse		// Always point to the mouse
	Repeat		Repeat
-	// Get the angle between this process' coordinates and those of mousegraph. ~~We can use TYPE~~	+	// Get the angle and distance between this process' coordinates and those of mousegraph.
-	// and get_id() here, because usually there would only be one mousepointer and one always.	+	// We can use TYPE and get_id() here, because usually there would only be one
-	~~angle~~ = ~~get_angle(~~get_id(type mousepointer));	+	// mousepointer and one always.
		+	tempID = get_id(type mousepointer);
		+	angle = get_angle(tempID);
		+	distance = get_dist(tempID);
	frame;		frame;
	Until(key(_esc))		Until(key(_esc))
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	// the mouse set in this process. Then after that other process can use those coordinates.		// the mouse set in this process. Then after that other process can use those coordinates.
	priority = 1;		priority = 1;
		+	// Obtain father's resolution
		+	resolution = father.resolution;
		+	// Loop
	Loop		Loop
-	x = mouse.x;	+	// Obtain X and Y coordinates of the mouse and adjust for resolution
-	y = mouse.y;	+	// (mouse.y and mouse.y have an unchangeable resolution of 1)
		+	x = mouse.x * resolution;
		+	y = mouse.y * resolution;
	frame;		frame;
	End		End
	End		End
	</pre>		</pre>
-	Used in example: [[set_mode]](), [[new_map]](), [[map_clear]](), [[drawing_map]](), [[drawing_color]](), [[draw_line]](), [[~~mouse~~]], [[~~graph~~]], [[x]], [[y]], [[~~angle~~]], [[~~priority~~]]	+	Used in example: [[set_mode]](), [[new_map]](), [[map_clear]](), [[drawing_map]](), [[drawing_color]](), [[draw_line]](), [[write]](), [[write_int]](), [[get_id]](), [[get_angle]](), [[get_dist]](), [[resolution]], [[mouse]], [[graph]], [[x]], [[y]], [[angle]], [[priority]]
-		+
-	~~This example could also be done with~~ [[~~fget_angle~~]](), ~~which is easier and doesn't require an extra~~ [[~~process~~]].	+

Sandman: /* Returns */

Sandman — Wed, 11 Jul 2007 11:17:12 GMT

Returns

←Older revision		Revision as of 11:17, 11 July 2007
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	'''INT''' : The wanted [[angle]].		'''INT''' : The wanted [[angle]].
	{\|		{\|
-	\| -1 \|\| - An error ''may'' have occurred.	+	\| -1 \|\| - An error ''may'' have occurred: invalid [[process]].
	\|-		\|-
	\| !-1 \|\| - The wanted [[angle]].		\| !-1 \|\| - The wanted [[angle]].

Sandman: /* Example */

Sandman — Wed, 11 Jul 2007 11:02:40 GMT

Example

←Older revision		Revision as of 11:02, 11 July 2007
Line 61:		Line 61:
	* Follows the mouse coordinates. x is always mouse.x and y is always mouse.y		* Follows the mouse coordinates. x is always mouse.x and y is always mouse.y
	* for processes with priority <1. The graphic of this process will be a certain graphic.		* for processes with priority <1. The graphic of this process will be a certain graphic.
-	* int file - The fileID of the file where the graphic is located	+	* int file - The fileID of the file where the graphic is located
	* int graph - The graphID of the graphic to be used for this process		* int graph - The graphID of the graphic to be used for this process
	*/		*/
Line 76:		Line 76:
	End		End
	</pre>		</pre>
		+	Used in example: [[set_mode]](), [[new_map]](), [[map_clear]](), [[drawing_map]](), [[drawing_color]](), [[draw_line]](), [[mouse]], [[graph]], [[x]], [[y]], [[angle]], [[priority]]
		+
		+	This example could also be done with [[fget_angle]](), which is easier and doesn't require an extra [[process]].

Sandman at 10:54, 11 July 2007

Sandman — Wed, 11 Jul 2007 10:54:21 GMT

New page

[[Category:functions]]
[[Category:processinteraction]]

==Definition==
'''INT''' get_angle ( <'''INT''' processID> )

Returns the [[angle]] between the coordinates of a certain [[process]] and the process calling get_angle().

== Parameters ==
{|
| '''INT''' processID || - The other [[process]].
|}

== Returns ==
'''INT''' : The wanted [[angle]].
{|
| -1 || - An error ''may'' have occurred.
|-
| !-1 || - The wanted [[angle]].
|}

== Example ==
<pre>
Program angling;
Const
screen_width = 320;
screen_height = 200;
screen_depth = 8;
Begin

// Set the screen mode
set_mode(screen_width,screen_height,screen_depth);

// Create mouse graph and start moisepointer
x = new_map(20,20,screen_depth);
map_clear(0,x,rgb(255,0,0));
mousepointer(0,x);

// Create arrow, assign to graph
graph = new_map(30,30,screen_depth);
drawing_map(0,graph);
drawing_color(rgb(0,255,0));
draw_line( 0,29,29,30/2);
draw_line( 0, 0,30,30/2);

// Set position
x = screen_width /2;
y = screen_height/2;

// Always point to the mouse
Repeat
// Get the angle between this process' coordinates and those of mousegraph. We can use TYPE
// and get_id() here, because usually there would only be one mousepointer and one always.
angle = get_angle(get_id(type mousepointer));
frame;
Until(key(_esc))

End

/**
* Follows the mouse coordinates. x is always mouse.x and y is always mouse.y
* for processes with priority <1. The graphic of this process will be a certain graphic.
* int file - The fileID of the file where the graphic is located
* int graph - The graphID of the graphic to be used for this process
*/
Process mousepointer(int file,int graph)
Begin
// Set the priority to 1, because we first want to have the correct coordinates of
// the mouse set in this process. Then after that other process can use those coordinates.
priority = 1;
Loop
x = mouse.x;
y = mouse.y;
frame;
End
End
</pre>