cube-game-plus-plus/client/rendering/Lines.cpp

#include "client/rendering/Lines.h"

Lines::Lines() {
    vertexBuffer.bind();
    vertexBuffer.setFloatAttribute(0, 3, 0, 6);
    vertexBuffer.setFloatAttribute(1, 3, 3, 6);
}

void Lines::add(const Vector3& a, const Vector3& b, int color) {
    Vector3 c((color & 0xFF) / 255.0f, ((color >> 8) & 0xFF) / 255.0f, ((color >> 16) & 0xFF) / 255.0f);
    buffer.add(a);
    buffer.add(c);
    buffer.add(b);
    buffer.add(c);
}

void Lines::clear() {
    buffer.clear();
}

void Lines::build() {
    vertexBuffer.bindBuffer();
    vertexBuffer.setData(sizeof (Vector3) * buffer.getLength(), buffer.getData());
}

void Lines::draw() const {
    vertexBuffer.bindArray();
    vertexBuffer.drawLines(buffer.getLength() / 2);
}