al_draw_arc3
Allegro 5 api
Usage
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#include <allegro5/allegro_primitives.h> void al_draw_arc(float cx, float cy, float r, float start_theta, float delta_theta, ALLEGRO_COLOR color, float thickness)
Overview
Draws an arc.
Parameters:
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cx, cy - Center of the arc
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r - Radius of the arc
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color - Color of the arc
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start_theta - The initial angle from which the arc is calculated in radians
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delta_theta - Angular span of the arc in radians (pass a negative number to switch direction)
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thickness - Thickness of the arc, pass
<= 0to draw hairline arc