144 lines
3.1 KiB
Java
144 lines
3.1 KiB
Java
/**
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*
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*/
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package ei.engine.scene;
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import org.lwjgl.opengl.GL11;
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import ei.engine.math.Vector2f;
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import ei.engine.math.Vector3f;
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/**
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* This class is the root class of all the objects that
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* will show on the scrren. This class handles the position
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* and rotation and the colitions of the objects.
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* @author Ziver
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*/
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public abstract class Entity {
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/** The name of this sprite */
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private String name;
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/** The location of this entity in pixels*/
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private Vector2f location;
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/** The rotation of this entity in pixels*/
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private Vector3f rotation;
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/** The size of this entity in pixels*/
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private Vector2f size;
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/**
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* creates a new entity
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*
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* @param name The name of the entity
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*/
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public Entity(String name){
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this.name = name;
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location = new Vector2f();
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rotation = new Vector3f();
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size = new Vector2f();
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}
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/**
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* @return The name of the entity
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*/
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public String getName() {
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return name;
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}
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/**
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* Get the Location of the entity
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*
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* @return The Location of the entity
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*/
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public Vector2f getLocation() {
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return location;
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}
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/**
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* set the location of this entity in pixels
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*
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* @param l The location of the entity
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*/
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public void setLocation(Vector2f l) {
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location = l;
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}
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/**
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* Get the rotation of the entity
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*
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* @return The Location of the entity
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*/
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public Vector3f getRotation() {
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return rotation;
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}
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/**
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* set the rotation of this entity in pixels
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*
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* @param r The rotation of the entity
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*/
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public void setRotation(Vector3f r) {
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rotation = r;
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}
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/**
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* Get the size of the entity
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*
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* @return The Location of the entity
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*/
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public Vector2f getSize() {
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return size;
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}
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/**
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* set the size of this entity in pixels
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*
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* @param s The size of the entity
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*/
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public void setSize(Vector2f s) {
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size = s;
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}
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/**
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* Sets the location of the entity in opengl
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* before rendering.
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*/
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protected void setTranslationGL(){
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// translate to the right location and prepare to draw
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GL11.glTranslatef(location.getX(), location.getY(), 0);
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}
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/**
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* Sets the location of the entity in opengl plus
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* the parameter values before rendering.
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*
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* @param x The value to add x
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* @param y The value to add y
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*/
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protected void setTranslationGL(float x, float y){
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// translate to the right location and prepare to draw
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GL11.glTranslatef(location.getX()+x, location.getY()+y, 0);
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}
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/**
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* Sets the rotation of the entity in opengl
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* before rendering.
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*/
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protected void setRotationGL(){
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// rotating the entity
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GL11.glRotatef(rotation.getX(), 1.0f, 0.0f, 0.0f); // Rotate On The X Axis
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GL11.glRotatef(rotation.getY(), 0.0f, 1.0f, 0.0f); // Rotate On The Y Axis
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GL11.glRotatef(rotation.getZ(), 0.0f, 0.0f, 1.0f); // Rotate On The Z Axis
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}
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/**
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* the render method should be implemented for every entity
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*/
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public abstract void render();
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/**
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* the update method can be implemented for every entity
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*/
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public void update(){}
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}
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