68 lines
1.3 KiB
C++
68 lines
1.3 KiB
C++
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#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 "small1.h"
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SmallTriangle::SmallTriangle()
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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, "Small Triangle (demo only)");
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bd.cColorBits = 8;
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bd.cDepthBits = 16;
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bFlip = FALSE;
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}
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void SmallTriangle::INITFUNCTION()
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{
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if (h == 0)
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h = 1;
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td.iW = w;
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td.iH = h;
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glViewport(0,0,w,h);
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glLoadIdentity();
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glOrtho(0.0f, w, 0.0f, h, 1.0f, -1.0f);
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}
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void SmallTriangle::IDLEFUNCTION()
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{
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bFlip = !bFlip;
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}
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void SmallTriangle::RENDFUNCTION()
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{
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int xa,xb,ya,yb;
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// glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
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// glClear(GL_COLOR_BUFFER_BIT);
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if (bFlip)
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glColor3f(1.0f, 0.0f, 0.0f);
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else
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glColor3f(0.0f, 0.0f, 1.0f);
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glBegin(GL_TRIANGLES);
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for(ya = 0, yb = 10 ; yb <= td.iH ; ya += 10, yb += 10)
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for(xa = 0, xb = 10 ; xb <= td.iW ; xa += 10, xb += 10) {
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if (bFlip) {
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glVertex2i(xa, ya);
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glVertex2i(xa, yb);
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glVertex2i(xb, yb);
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} else {
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glVertex2i(xa, ya);
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glVertex2i(xb, yb);
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glVertex2i(xb, ya);
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}
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}
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glEnd();
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glFlush();
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}
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