mirror of
https://github.com/bulletphysics/bullet3
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6d47d9492e
added ray-aabb check modified Raycast demo to be more useful for debugging collision shapes
74 lines
2.1 KiB
C++
74 lines
2.1 KiB
C++
/*
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Bullet Continuous Collision Detection and Physics Library
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Copyright (c) 2003-2006 Erwin Coumans http://continuousphysics.com/Bullet/
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This software is provided 'as-is', without any express or implied warranty.
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In no event will the authors be held liable for any damages arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it freely,
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subject to the following restrictions:
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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.
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2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
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3. This notice may not be removed or altered from any source distribution.
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*/
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#include "RenderTexture.h"
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#include <memory.h>
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#include "BMF_FontData.h"
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renderTexture::renderTexture(int width,int height)
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:m_height(height),m_width(width)
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{
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m_buffer = new unsigned char[m_width*m_height*4];
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//clear screen
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memset(m_buffer,0,m_width*m_height*4);
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//clear screen version 2
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for (int x=0;x<m_width;x++)
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{
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for (int y=0;y<m_height;y++)
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{
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setPixel(x,y,btVector4(float(x),float(y),0.f,1.f));
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}
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}
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}
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void renderTexture::grapicalPrintf(char* str, BMF_FontData* fontData, int startx,int starty)
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{
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unsigned char c;
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int rasterposx = startx;
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int rasterposy = starty;
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while ((c = (unsigned char) *str++)) {
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BMF_CharData & cd = fontData->chars[c];
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if (cd.data_offset!=-1) {
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unsigned char* bitmap = &fontData->bitmap_data[cd.data_offset];
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for (int y=0;y<cd.height;y++)
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{
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int bit = 128;
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for (int x=0;x<cd.width;x++)
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{
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char packedColor = bitmap[y];
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float colorf = packedColor & bit ? 0.f : 1.f;
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btVector4 rgba(colorf,colorf,colorf,1.f);
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setPixel(rasterposx+x,rasterposy+8-y-1,rgba);
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bit >>=1;
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}
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}
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}
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rasterposx+= cd.advance;
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}
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}
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renderTexture::~renderTexture()
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{
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delete [] m_buffer;
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}
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