C++ (Cpp) LineSegment::point_at_time Examples

Example #1

File: main.cpp Project: ioquatix/dream-examples

void TrailParticles::add(LineSegment<3> line_segment, const Vec3 & color) {
    const RealT DENSITY = 2.0;

    RealT density = DENSITY;

    while ((density -= real_random()) > 0) {
        Vec3 point = line_segment.point_at_time(density / DENSITY);
        point[X] += real_random(-0.2, 0.2);
        point[Y] += real_random(-0.2, 0.2);
        point[Z] += real_random(-0.2, 0.2);

        Particle particle;

        particle.velocity = Vec3(0.0, 0.0, 0.0);
        particle.set_position(point, Vec3(-0.1, -0.1, 0.0), Vec3(0.0, 0.0, -1.0), 0.0);
        particle.add_life(0.4 + real_random() * 0.4);
        particle.color = color;
        particle.set_random_mapping(4);

        _particles.push_back(particle);
    }
}