C++ (Cpp) vm_vec_random_cone Examples

Example #1

// radar is damaged, so make blips dance around
void HudGaugeRadarOrb::blipDrawDistorted(blip *b, vec3d *pos)
{
    float scale;
    float dist=vm_vec_normalize(pos);
    vec3d out;
    float distortion_angle=20;

    // maybe alter the effect if EMP is active
    if(emp_active_local()) {
        scale = emp_current_intensity();
        distortion_angle *= frand_range(-3.0f,3.0f)*frand_range(0.0f, scale);
        dist *= frand_range(MAX(0.75f, 0.75f*scale), MIN(1.25f, 1.25f*scale));

        if (dist > 1.25f) dist = 1.25f;
        if (dist < 0.75f) dist = 0.75f;
    }

    vm_vec_random_cone(&out,pos,distortion_angle);
    vm_vec_scale(&out,dist);

    drawContactHtl(&out,b->rad);
}

Example #2

File: radardradis.cpp Project: DahBlount/Freespace-Open-Swifty

// radar is damaged, so make blips dance around
void HudGaugeRadarDradis::blipDrawDistorted(blip *b, vec3d *pos, float alpha)
{
	float temp_scale;
	float dist = vm_vec_normalize(pos);
	vec3d out;
	float distortion_angle=20;

	// maybe alter the effect if EMP is active
	if (emp_active_local())
	{
		temp_scale = emp_current_intensity();
		dist *= frand_range(MAX(0.75f, 0.75f*temp_scale), MIN(1.25f, 1.25f*temp_scale));
		distortion_angle *= frand_range(-3.0f,3.0f)*frand_range(0.0f, temp_scale);

		if (dist > 1.0f) dist = 1.0f;
		if (dist < 0.1f) dist = 0.1f;
	}

	vm_vec_random_cone(&out, pos, distortion_angle);
	vm_vec_scale(&out, dist);

	drawContact(&out, -1, unknown_contact_icon, b->dist, alpha, 1.0f);
}

Example #3

// blip is for a target immune to sensors, so cause to flicker in/out with mild distortion
void HudGaugeRadarOrb::blipDrawFlicker(blip *b, vec3d *pos)
{
    int flicker_index;

    float dist=vm_vec_normalize(pos);
    vec3d out;
    float distortion_angle=10;

    if ( (b-Blips) & 1 ) {
        flicker_index=0;
    } else {
        flicker_index=1;
    }

    if ( timestamp_elapsed(Radar_flicker_timer[flicker_index]) ) {
        Radar_flicker_timer[flicker_index] = timestamp_rand(50,1000);
        Radar_flicker_on[flicker_index] ^= 1;
    }

    if ( !Radar_flicker_on[flicker_index] ) {
        return;
    }

    if ( rand() & 1 ) {

        distortion_angle *= frand_range(0.1f,2.0f);
        dist *= frand_range(0.75f, 1.25f);

        if (dist > 1.25f) dist = 1.25f;
        if (dist < 0.75f) dist = 0.75f;
    }

    vm_vec_random_cone(&out,pos,distortion_angle);
    vm_vec_scale(&out,dist);

    drawContactHtl(&out,b->rad);
}

Example #4

File: radardradis.cpp Project: DahBlount/Freespace-Open-Swifty

// blip is for a target immune to sensors, so cause to flicker in/out with mild distortion
void HudGaugeRadarDradis::blipDrawFlicker(blip *b, vec3d *pos, float alpha)
{
	int flicker_index;

	float dist=vm_vec_normalize(pos);
	vec3d out;
	float distortion_angle=10;

	if ((b-Blips) & 1)
		flicker_index=0;
	else
		flicker_index=1;
	

	if (timestamp_elapsed(Radar_flicker_timer[flicker_index])) {
		Radar_flicker_timer[flicker_index] = timestamp_rand(50,1000);
		Radar_flicker_on[flicker_index] ^= 1;
	}

	if (!Radar_flicker_on[flicker_index])
		return;

	if (rand() & 1)
	{
		distortion_angle *= frand_range(0.1f,2.0f);
		dist *= frand_range(0.75f, 1.25f);

		if (dist > 1.0f) dist = 1.0f;
		if (dist < 0.1f) dist = 0.1f;
	}
	
	vm_vec_random_cone(&out,pos,distortion_angle);
	vm_vec_scale(&out,dist);

	drawContact(&out, -1, unknown_contact_icon, b->dist, alpha, 1.0f);
}