102 lines
2.2 KiB
C++
102 lines
2.2 KiB
C++
#include "Handrail.h"
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#include <Indoor/geo/Point3.h>
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#include "Shader.h"
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Handrail::Handrail(const Point2 from, const Point2 to, float atHeight, float height) :
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from(from), to(to), atHeight(atHeight), height(height) {
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;
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}
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void Handrail::render(const RenderSettings& rs) {
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rs.shader->bind();
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rs.shader->setColor(0.8, 0.8, 0.8);
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rs.shader->setModelMatrix(QMatrix4x4());
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const float z1 = atHeight;
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const float z2 = atHeight + height;
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// polygon edges
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Point3 p1 = Point3(from.x, from.y, z1);
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Point3 p2 = Point3(to.x, to.y, z1);
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Point3 p3 = Point3(from.x, from.y, z2);
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Point3 p4 = Point3(to.x, to.y, z2);
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std::vector<float> vertices;
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// top
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vertices.insert( vertices.end(), {p3.x, p3.y, p3.z} );
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vertices.insert( vertices.end(), {p4.x, p4.y, p4.z} );
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// start bar
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vertices.insert( vertices.end(), {p1.x, p1.y, p1.z} );
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vertices.insert( vertices.end(), {p3.x, p3.y, p3.z} );
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// end bar
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vertices.insert( vertices.end(), {p2.x, p2.y, p2.z} );
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vertices.insert( vertices.end(), {p4.x, p4.y, p4.z} );
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// intermediate bars
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const Point3 d1 = p2-p1;
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const Point3 d2 = p4-p3;
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const int numBars = d2.length() / 1;
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for (int i = 1; i < numBars; ++i) {
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const Point3 s = p1 + d1 * i / numBars;
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const Point3 e = p3 + d2 * i / numBars;
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vertices.insert( vertices.end(), {s.x, s.y, s.z} );
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vertices.insert( vertices.end(), {e.x, e.y, e.z} );
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}
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rs.shader->setVertices(vertices.data());
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glDrawArrays(GL_LINES, 0, vertices.size() / 3);
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rs.shader->unsetVertices();
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rs.shader->release();
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/*
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TODO_GL
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glDisable(GL_LIGHTING);
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glBegin(GL_LINES);
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glColor3f(0.9, 0.9, 0.9);
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// top
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glVertex3f(p3.x, p3.y, p3.z);
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glVertex3f(p4.x, p4.y, p4.z);
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// start bar
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glVertex3f(p1.x, p1.y, p1.z);
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glVertex3f(p3.x, p3.y, p3.z);
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// end bar
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glVertex3f(p2.x, p2.y, p2.z);
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glVertex3f(p4.x, p4.y, p4.z);
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glColor3f(0.6, 0.6, 0.6);
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// intermediate bars
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const Point3 d1 = p2-p1;
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const Point3 d2 = p4-p3;
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const int numBars = d2.length() / 1;
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for (int i = 1; i < numBars; ++i) {
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const Point3 s = p1 + d1 * i / numBars;
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const Point3 e = p3 + d2 * i / numBars;
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glVertex3f(s.x, s.y, s.z);
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glVertex3f(e.x, e.y, e.z);
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}
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glEnd();
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glEnable(GL_LIGHTING);
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*/
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}
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