本文整理汇总了C++中Vector2D::mult方法的典型用法代码示例。如果您正苦于以下问题：C++ Vector2D::mult方法的具体用法？C++ Vector2D::mult怎么用？C++ Vector2D::mult使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Vector2D的用法示例。
在下文中一共展示了Vector2D::mult方法的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: handleStimulus
void Animal::handleStimulus(Environment *environment, double dt) {
voiceInterval -= dt;
if (this == environment->getPlayer()) {
Vector2D movement = environment->getMovement();
movement = movement.mult(dt);
translate(movement);
handleCollisions(environment);
environment->updateObjectScreen(this);
if (movement.distanceTo(Vector2D()) > 1.0e-5) {
addEnergy(-dt);
}
for (int i = 0; i < sensors.size(); i++) {
sensors[i]->handleStimulus(this, environment, dt);
}
} else {
RandomNumberGenerator *rng = RandomNumberGenerator::getInstance();
if (curAIStateDuration > 0.0) {
curAIStateDuration -= dt;
} else {
curAIStateDuration = ((double) rng->getInt(500, 3000)) / 1000.0;
curAIDirection = Vector2D(rng->getInt(-1, 1), rng->getInt(-1, 1));
curAIDirection = curAIDirection.mult(speed);
}
Vector2D movement = curAIDirection;
movement = movement.mult(dt);
translate(movement);
handleCollisions(environment);
environment->updateObjectScreen(this);
}
}示例2: handleCollisions
void Animal::handleCollisions(Environment *environment) {
Vector2D boundsCorrection;
if (getBounds().getMinX() < environment->getBounds().getMinX()) {
boundsCorrection.setX(environment->getBounds().getMinX() - getBounds().getMinX());
}
if (getBounds().getMinY() < environment->getBounds().getMinY()) {
boundsCorrection.setY(environment->getBounds().getMinY() - getBounds().getMinY());
}
if (getBounds().getMaxX() > environment->getBounds().getMaxX()) {
boundsCorrection.setX(environment->getBounds().getMaxX() - getBounds().getMaxX());
}
if (getBounds().getMaxY() > environment->getBounds().getMaxY()) {
boundsCorrection.setY(environment->getBounds().getMaxY() - getBounds().getMaxY());
}
translate(boundsCorrection);
std::vector<Object *> nearestObjects = environment->getNearestObjects(this);
for (int k = 0; k < nearestObjects.size(); k++) {
Object *nearestObject = nearestObjects[k];
double distance = getPosition().distanceTo(nearestObject->getPosition());
double radius = (OBJECT_WIDTH / 2);
if (distance < 2.0 * radius) {
Vector2D overlapVector = Vector2D(nearestObject->getPosition(), getPosition());
overlapVector = overlapVector.normalize();
double overlapLength = 2.0 * radius - distance;
overlapVector = overlapVector.mult(overlapLength);
translate(overlapVector);
handleCollision(environment, nearestObject);
}
}
}示例3:
Vector2D
Vector2D::proj(Vector2D s, Vector2D t)
{
t.normalise();
Vector2D proj = t;
float multiple = proj.dot(s, t) / proj.dot(t, t);
proj.mult(multiple);
return proj;
}示例4: renderFeedback
void MultiDirectionalEar::renderFeedback(Object *object, Environment *environment) {
if (object == environment->getPlayer()) {
Vector2D windowPos = environment->getWindowPos(object->getPosition());
for (int i = 0; i < nearestObjects.size(); i++) {
Object *nearestObject = nearestObjects[i];
if (nearestObject->getVoice() && nearestObject->getVoiceInterval() <= 0.0) {
nearestObject->resetVoiceInterval();
Vector2D objectWindowPos = environment->getWindowPos(nearestObject->getPosition());
Vector2D relativePos = objectWindowPos.add(windowPos.mult(-1.0));
relativePos = relativePos.normalize();
double pan = relativePos.getX();
double nearestObjectDistance = windowPos.distanceTo(objectWindowPos);
double gain = 1.0 - (nearestObjectDistance / 1000.0);
if (gain < 0.0) {
gain = 0.0;
}
al_play_sample(nearestObject->getVoice(), gain, pan, 1.0, ALLEGRO_PLAYMODE_ONCE, NULL);
}
}
}
}