Added direct movement via WASD keys.

This commit is contained in:
Felix Ableitner 2012-09-12 20:10:29 +02:00
parent a793cc8933
commit 98fb433dbf
3 changed files with 87 additions and 7 deletions

View file

@ -132,6 +132,18 @@ Game::keyUp(const sf::Event& event) {
case sf::Keyboard::Space:
mPaused = !mPaused;
break;
case sf::Keyboard::W:
mPlayer.setDirection(Player::DIRECTION_UP, true);
break;
case sf::Keyboard::S:
mPlayer.setDirection(Player::DIRECTION_DOWN, true);
break;
case sf::Keyboard::A:
mPlayer.setDirection(Player::DIRECTION_LEFT, true);
break;
case sf::Keyboard::D:
mPlayer.setDirection(Player::DIRECTION_RIGHT, true);
break;
default:
break;
}
@ -143,6 +155,18 @@ Game::keyUp(const sf::Event& event) {
void
Game::keyDown(const sf::Event& event) {
switch (event.key.code) {
case sf::Keyboard::W:
mPlayer.setDirection(Player::DIRECTION_UP, false);
break;
case sf::Keyboard::S:
mPlayer.setDirection(Player::DIRECTION_DOWN, false);
break;
case sf::Keyboard::A:
mPlayer.setDirection(Player::DIRECTION_LEFT, false);
break;
case sf::Keyboard::D:
mPlayer.setDirection(Player::DIRECTION_RIGHT, false);
break;
default:
break;
}

View file

@ -23,7 +23,9 @@ Player::Player(b2World& world, Collection& collection, const Vector2f& position)
CATEGORY_ACTOR, MASK_ALL, true)),
Actor(100),
mWeapon(*this, collection, world, SIZE),
mDestination(Vector2i(50, 50)) {
mDestination(Vector2i(position)),
mDirection(0),
mDirectInput(false) {
}
/**
@ -35,8 +37,9 @@ void
Player::setCrosshairPosition(const Vector2f& position) {
mCrosshairPosition = position - getPosition();
}
/**
* Fire the attacked Weapon, emitting a Bullet object.
* Fires the attached Weapon, emitting a Bullet object.
*/
void
Player::fire() {
@ -45,6 +48,7 @@ Player::fire() {
/**
* Moves the player to a destination point.
* Disables any previous calls to Player::setDirection().
*
* @param destination Absolute world coordinate of the destination point.
*/
@ -52,13 +56,49 @@ void
Player::move(const Vector2f& destination) {
mDestination = destination;
// Convert to relative destination.
setSpeed(mDestination - getPosition(), SPEED);
setSpeed(mDestination - getPosition(), SPEED);
mDirectInput = false;
}
/**
* Sets the movement direction. This is destined for input via keys (eg. WASD).
* Disables any previous commands via Player::move().
*
* @param direction The direction to move to.
* @param unset False to start movement into the direction, true to stop it.
*/
void
Player::setDirection(Direction direction, bool unset) {
if (unset) {
mDirection = mDirection & ~direction;
} else {
mDirection = mDirection | direction;
}
// Convert directions into a vector.
Vector2f dirVec(0, 0);
if (mDirection & DIRECTION_RIGHT) {
dirVec.x += 1.0f;
}
if (mDirection & DIRECTION_LEFT) {
dirVec.x += - 1.0f;
}
if (mDirection & DIRECTION_DOWN) {
dirVec.y += 1.0f;
}
if (mDirection & DIRECTION_UP) {
dirVec.y += - 1.0f;
}
setSpeed(dirVec, SPEED);
mDirectInput = true;
}
/**
* Check if we arrived at destination, turn towards cursor.
*/
void
Player::onThink(float elapsedTime) {
// Stop if we are close enough.
if (thor::length(mDestination - getPosition()) < 1.0f) {
// Stop if we are close enough to destination.
if (!mDirectInput && (thor::length(mDestination - getPosition()) < 1.0f)) {
setSpeed(Vector2f(), 0);
}
// Look towards crosshair.

View file

@ -22,6 +22,18 @@ class Sprite;
* Player object.
*/
class Player : public Sprite, public Actor {
// Public types.
public:
/**
* Movement directions that can be set via Player::setDirection().
*/
enum Direction {
DIRECTION_RIGHT = 1 << 0,
DIRECTION_LEFT = 1 << 1,
DIRECTION_UP = 1 << 2,
DIRECTION_DOWN = 1 << 3
};
// Public functions.
public:
Player(b2World& world, Collection& collection, const Vector2f& position);
@ -29,9 +41,10 @@ public:
void setCrosshairPosition(const Vector2f& position);
void fire();
void move(const Vector2f& destination);
void setDirection(Direction direction, bool unset);
// Protected functions.
protected:
// Private functions.
private:
void onCollide(Physical& other, uint16 category);
void onThink(float elapsedTime);
@ -43,6 +56,9 @@ private:
Weapon mWeapon; //< Weapon object used for Player::fire().
Vector2f mDestination; //< Absolute position of the movement destination.
Vector2f mCrosshairPosition; //< Relative position of the point to fire at (mouse cursor).
uint8 mDirection; //< Current movement direction for direct control.
bool mDirectInput; //< True when using keyboard input (directions), false when using
// destination point.
};
#endif /* DG_PLAYER_H_ */