mirror of
https://github.com/wiidev/usbloadergx.git
synced 2024-11-29 14:44:17 +01:00
70 lines
2.0 KiB
C++
70 lines
2.0 KiB
C++
/****************************************************************************
|
|
* Copyright (C) 2010
|
|
* by Dimok
|
|
*
|
|
* This software is provided 'as-is', without any express or implied
|
|
* warranty. In no event will the authors be held liable for any
|
|
* damages arising from the use of this software.
|
|
*
|
|
* Permission is granted to anyone to use this software for any
|
|
* purpose, including commercial applications, and to alter it and
|
|
* redistribute it freely, subject to the following restrictions:
|
|
*
|
|
* 1. The origin of this software must not be misrepresented; you
|
|
* must not claim that you wrote the original software. If you use
|
|
* this software in a product, an acknowledgment in the product
|
|
* documentation would be appreciated but is not required.
|
|
*
|
|
* 2. Altered source versions must be plainly marked as such, and
|
|
* must not be misrepresented as being the original software.
|
|
*
|
|
* 3. This notice may not be removed or altered from any source
|
|
* distribution.
|
|
***************************************************************************/
|
|
#include "gui_circle.hpp"
|
|
|
|
GuiCircle::GuiCircle()
|
|
: radius(100.0f), filled(true), accuracy(36)
|
|
{
|
|
|
|
color = (GXColor) {0, 0, 0, 255};
|
|
SetLinewidth(1.0f);
|
|
}
|
|
|
|
GuiCircle::GuiCircle(float r)
|
|
: radius(r), filled(true), accuracy(36)
|
|
{
|
|
color = (GXColor) {0, 0, 0, 255};
|
|
SetLinewidth(1.0f);
|
|
}
|
|
|
|
void GuiCircle::SetLinewidth(float s)
|
|
{
|
|
LOCK(this);
|
|
Linewidth = s;
|
|
GX_SetLineWidth((u8) (s*6.0f), 0);
|
|
}
|
|
|
|
void GuiCircle::Draw()
|
|
{
|
|
GX_SetTevOp(GX_TEVSTAGE0, GX_PASSCLR);
|
|
GX_SetVtxDesc(GX_VA_POS, GX_DIRECT);
|
|
GX_SetVtxDesc(GX_VA_CLR0, GX_DIRECT);
|
|
GX_SetVtxDesc(GX_VA_TEX0, GX_NONE);
|
|
|
|
int loopAmount = filled ? accuracy : accuracy+1;
|
|
|
|
GX_Begin(filled ? GX_TRIANGLEFAN : GX_LINESTRIP, GX_VTXFMT0, loopAmount);
|
|
for(int i = 0; i < loopAmount; ++i)
|
|
{
|
|
f32 rad = (f32) i / (f32) accuracy * 360.0f;
|
|
f32 x = cos(DegToRad(rad)) * radius + GetLeft();
|
|
f32 y = sin(DegToRad(rad)) * radius + GetTop();
|
|
|
|
GX_Position3f32(x, y, 0.0f);
|
|
GX_Color4u8(color.r, color.g, color.b, color.a);
|
|
}
|
|
GX_End();
|
|
GX_SetTevOp(GX_TEVSTAGE0, GX_MODULATE);
|
|
}
|