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# Class CL_CollisionOutline

Collision detection outline. More...

Derived from: none
Derived by: none
Group: Display (Collision)

#include <ClanLib/display.h>

Construction:

CL_CollisionOutline | Construct a collision outline.

Attributes:

get_object_bounding_box | Returns the contour used as an object bounding box. (an rotated rectangle)
get_minimum_enclosing_disc | Returns the radius of the outline.
get_inside_test | Returns true if completely-inside test is used.
get_contours | Returns the contours in the outline.
get_translation | Returns the position of the outline.
get_scale | Returns the scaling factor.
get_angle | Returns the rotation angle.
get_width | Returns the width of the image this outline was created from.
get_height | Returns the height of the image this outline was created from.
get_alignment | Get the translation origin and hotspot of the outline.
get_rotation_hotspot | Get the rotation hotspot of the outline.
get_collision_info | Return the info about the collisions. (collision points, normals, pointers to contours, and indexes to lines that intersected)
get_collision_info_state | Fetch the state of the collision testing variables.
resource | Resource owning this outline, if any.

Operations:

operator = | Assignment operator
optimize | Optimize the outline by removing redundant points.
draw | Draw outline on graphic context.
draw_sub_circles | Draw the subcircles surrounding the linesegments on graphic context.
draw_smallest_enclosing_disc | Draw the disc enclosing the entire outline.
set_alignment | Set the translation hotspot of the outline.
set_rotation_hotspot | Set the rotation hotspot of the outline.
set_translation | Set the position of the outline.
set_scale | Set the scale of the outline.
set_angle | Set the angle (in degrees) of the outline.
rotate | Rotate the outline by angle (in degrees).
set_inside_test | Set to true if completely-inside test should be done
enable_collision_info | Enable collision info gathering.
set_collision_info | This will set the collision info of the outline
clean_collision_info | This will empty the collision-info vector
calculate_radius | (Re)calculate the radius of the outline.
calculate_sub_circles | (Re)calculate the subcircle segmentation of the outline.
calculate_smallest_enclosing_discs | (Re)calculate the smallest circles enclosing every contour in the outline.
calculate_convex_hulls | (Re)calculate the convex hull for every contour in the outline
save | Write the outline to a file.
collide | Returns true if outlines overlap
calculate_penetration_depth | Will calculate the penetration_depth and penetration_normal for all colliding contours.
point_inside | Returns true if a point is inside the outline.

Detailed description:

!group=Display/Collision ! !header=display.h!

A collision outline is used in collision detection

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