mirror of
https://github.com/nitraiolo/CfgUSBLoader.git
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56 lines
2.1 KiB
C
56 lines
2.1 KiB
C
/*------------------------------------------------------------------------------
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Copyright (c) 2010 The GRRLIB Team
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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------------------------------------------------------------------------------*/
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#include <math.h>
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#include <grrlib.h>
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/**
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* Draw a circle.
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* @author Dark_Link
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* @param x Specifies the x-coordinate of the circle.
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* @param y Specifies the y-coordinate of the circle.
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* @param radius The radius of the circle.
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* @param color The color of the circle in RGBA format.
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* @param filled Set to true to fill the circle.
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*/
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void GRRLIB_Circle (const f32 x, const f32 y, const f32 radius,
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const u32 color, const u8 filled) {
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guVector v[36];
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u32 ncolor[36];
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u32 a;
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f32 ra;
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f32 G_DTOR = M_DTOR * 10;
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for (a = 0; a < 36; a++) {
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ra = a * G_DTOR;
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v[a].x = cos(ra) * radius + x;
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v[a].y = sin(ra) * radius + y;
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v[a].z = 0.0f;
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ncolor[a] = color;
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}
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if (!filled) GRRLIB_GXEngine(v, ncolor, 36, GX_LINESTRIP );
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else GRRLIB_GXEngine(v, ncolor, 36, GX_TRIANGLEFAN);
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}
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