54 lines
1.1 KiB
C++
54 lines
1.1 KiB
C++
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/* Author: Josh Holtrop
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* DornerWorks screensaver
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* SSMode is base class that provides common functionality for
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* screensaver modes. It should be extended by a screensaver
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* mode implementing class.
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*/
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#include "SSMode.h"
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SSMode::SSMode(SSMain * _SSMain)
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: m_SSMain(_SSMain)
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{
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m_startTick = SDL_GetTicks();
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}
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SSMode::~SSMode()
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{
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}
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/* update the number of elapsed milliseconds */
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void SSMode::update()
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{
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Uint32 ticks = SDL_GetTicks();
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m_elapsed = ticks - m_startTick;
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}
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#ifndef WITHOUT_ODE
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/* push an OpenGL matrix onto the matrix stack for a given
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* ODE body position and rotation */
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void SSMode::pushTransform(const dReal pos[3], const dReal R[12])
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{
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GLfloat matrix[16];
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matrix[0] = R[0];
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matrix[1] = R[4];
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matrix[2] = R[8];
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matrix[3] = 0;
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matrix[4] = R[1];
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matrix[5] = R[5];
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matrix[6] = R[9];
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matrix[7] = 0;
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matrix[8] = R[2];
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matrix[9] = R[6];
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matrix[10] = R[10];
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matrix[11] = 0;
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matrix[12] = pos[0];
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matrix[13] = pos[1];
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matrix[14] = pos[2];
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matrix[15] = 1;
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glPushMatrix();
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glMultMatrixf(matrix);
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}
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#endif
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