76 lines
1.5 KiB
C++
76 lines
1.5 KiB
C++
#include <stdio.h>
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#include <windows.h>
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#include <gl\gl.h>
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#include "skeltest.h"
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#include "large1.h"
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LargeTriangle::LargeTriangle()
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{
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td.swapbuffers = FALSE;
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td.iDuration = 10000;
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td.iX = 0;
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td.iY = 0;
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td.iW = 640;
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td.iH = 480;
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sprintf(td.acName, "Large Triangles (demo only)");
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bd.cColorBits = 8;
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bd.cDepthBits = 8;
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fClr1 = 1.0f,
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fClr2 = 1.0f,
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fClr3 = 0.0f,
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fClr4 = 0.0f,
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fClr5 = 1.0f,
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fClr6 = 0.0f;
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}
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void LargeTriangle::INITFUNCTION()
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{
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// Prevent a divide by zero, when window is too short
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// (you cant make a window of zero width).
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if(h == 0) h = 1;
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// Set the viewport to be the entire window
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glViewport(0, 0, w, h);
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// Reset the coordinate system before modifying
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glLoadIdentity();
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fWindowWidth = (GLfloat) w;
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fWindowHeight = (GLfloat) h;
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// Set the clipping volume
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glOrtho(0.0f, fWindowWidth, 0.0f, fWindowHeight, 1.0f, -1.0f);
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}
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void LargeTriangle::IDLEFUNCTION()
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{
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GLfloat fClr;
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fClr = fClr1;
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fClr1 = fClr2;
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fClr2 = fClr3;
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fClr3 = fClr4;
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fClr4 = fClr5;
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fClr5 = fClr6;
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fClr6 = fClr;
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}
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void LargeTriangle::RENDFUNCTION()
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{
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// Set drawing colors, and draw (2) Large Triagles
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glBegin(GL_TRIANGLES);
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glColor3f(fClr1, fClr2, fClr3);
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glVertex2f(0.0f,0.0f);
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glVertex2f(0.0f,fWindowHeight);
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glVertex2f(fWindowWidth,fWindowHeight);
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glColor3f(fClr4, fClr5, fClr6);
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glVertex2f(0.0f,0.0f);
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glVertex2f(fWindowWidth,fWindowHeight);
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glVertex2f(fWindowWidth,0.0f);
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glEnd();
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glFlush();
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}
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