From 6a95fe7d3a8b76b49c4d6174cd4560668a8c7acd Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Laure=CE=B7t?= Date: Fri, 9 Apr 2021 16:30:24 +0200 Subject: [PATCH] fix: Bow & Arrow partially working --- core/src/sagittarius/model/Arrow.java | 106 ++++++++-------------- core/src/sagittarius/model/Bow.java | 54 ++++++----- core/src/sagittarius/model/Planet.java | 8 ++ core/src/sagittarius/model/Player.java | 7 +- core/src/sagittarius/view/BaseScreen.java | 1 + 5 files changed, 84 insertions(+), 92 deletions(-) diff --git a/core/src/sagittarius/model/Arrow.java b/core/src/sagittarius/model/Arrow.java index 808e75a..880eb0f 100644 --- a/core/src/sagittarius/model/Arrow.java +++ b/core/src/sagittarius/model/Arrow.java @@ -8,7 +8,8 @@ import com.badlogic.gdx.graphics.glutils.ShapeRenderer; import com.badlogic.gdx.math.Vector2; import com.badlogic.gdx.scenes.scene2d.Actor; -import sagittarius.Sagittarius; +import sagittarius.SagittariusGame; +import sagittarius.view.GameScreen; public class Arrow extends Actor { @@ -19,11 +20,8 @@ public class Arrow extends Actor { private Vector2 force = new Vector2(); private float TTL = 20; - private final float length = 100; - private boolean active = true; - private Planet crash; - private Vector2 offset = new Vector2(); + private BitmapFont fontDebug = new BitmapFont(); // ---------- CONSTRUCTORs ---------- @@ -51,55 +49,29 @@ public class Arrow extends Actor { */ private Vector2 computeForce() { Vector2 force = new Vector2(); - for (Planet attractor : Sagittarius.planetList) { - Vector2 diff = attractor.position.cpy().sub(this.position); - Vector2 attraction = diff.scl( Sagittarius.G * attractor.mass / diff.len2() ); - force.add(attraction); - } - for (Moon attractor : Sagittarius.moonList) { - Vector2 diff = attractor.position.cpy().sub(this.position); - Vector2 attraction = diff.scl( Sagittarius.G * attractor.mass / diff.len2() ); - force.add(attraction); + for (Actor actor : GameScreen.planets.getChildren()) { + + float dx = actor.getX() - this.getX(); + float dy = actor.getX() - this.getX(); + + float len2 = dx*dx + dy*dy; + float coeff = SagittariusGame.G * ((Planet) actor).getMass() * (float) Math.pow(len2, -3/2); + + float gravityX = coeff * dx; + float gravityY = coeff * dy; + + force.add(gravityX, gravityY); } return force; } - /** - * Verify whether or not the Arrow contacts an Entity. - */ - private void verifyActivity() { - for (Planet planet : Sagittarius.planetList) { - if (this.distanceTo(planet) < planet.getRadius()) { - this.active = false; - this.crash = planet; - this.offset = this.position.cpy().sub(planet.position); - } - } - for (Moon moon : Sagittarius.moonList) { - if (this.distanceTo(moon) < moon.getRadius()) { - this.active = false; - this.crash = moon; - this.offset = this.position.cpy().sub(moon.position); - } - } - } + @Override + public void act(float dt) { - /** - * Updates the physical attributes of the Arrow, - * must be called in the main update loop. - * - * @param dt time elapsed between 2 frames. - */ - public void update(float dt) { + integrationVerlet(dt); + this.TTL -= dt; + this.setRotation(this.velocity.angleDeg()); - if (this.active) { - verifyActivity(); - integrationVerlet(dt); - this.TTL -= dt; - this.angle = this.velocity.angleDeg(); - } else { - this.position = crash.position.cpy().add(offset); - } } /** @@ -114,8 +86,8 @@ public class Arrow extends Actor { this.acceleration = this.force.cpy(); - this.position.x += dt * ( this.velocity.x + dt * this.acceleration.x / 2 ); - this.position.y += dt * ( this.velocity.y + dt * this.acceleration.y / 2 ); + this.moveBy(dt * ( this.velocity.x + dt * this.acceleration.x / 2 ), + dt * ( this.velocity.y + dt * this.acceleration.y / 2 )); this.force = computeForce(); @@ -126,21 +98,19 @@ public class Arrow extends Actor { // ---------- GRAPHICAL METHODs ---------- public void render(ShapeRenderer shapeRenderer) { - Vector2 tail = new Vector2(-this.length, 0).rotateDeg(this.angle).add(this.position); - shapeRenderer.line(this.position, tail); + // Vector2 tail = new Vector2(-this.length, 0).rotateDeg(this.getRotation()).add(this.position); + // shapeRenderer.line(this.getX(), this.getY(), tail.x, tail.y); } - public void renderDebug(Batch batch, BitmapFont font) { - - // TODO : dirty, do it in an other way ? - if (active) { - font.draw(batch, "TTL = " + this.TTL, this.position.x, this.position.y + font.getCapHeight()*5); - font.draw(batch, "pos = " + this.position, this.position.x, this.position.y + font.getCapHeight()*4); - font.draw(batch, "speed = " + this.velocity, this.position.x, this.position.y + font.getCapHeight()*3); - font.draw(batch, "accel = " + this.acceleration, this.position.x, this.position.y + font.getCapHeight()*2); - font.draw(batch, "force = " + this.force, this.position.x, this.position.y + font.getCapHeight()*1); - font.draw(batch, "angle = " + this.angle, this.position.x, this.position.y); - } + @Override + public void draw(Batch batch, float parentAlpha) { + super.draw(batch, parentAlpha); + fontDebug.draw(batch, "TTL=" + this.TTL, getX(), getY() + fontDebug.getCapHeight()*5); + fontDebug.draw(batch, "pos=" + getX() + "," + getY(), getX(), getY() + fontDebug.getCapHeight()*4); + fontDebug.draw(batch, "speed=" + this.velocity, getX(), getY() + fontDebug.getCapHeight()*3); + fontDebug.draw(batch, "accel=" + this.acceleration, getX(), getY() + fontDebug.getCapHeight()*2); + fontDebug.draw(batch, "force=" + this.force, getX(), getY() + fontDebug.getCapHeight()*1); + fontDebug.draw(batch, "angle=" + getRotation(), getX(), getY()); } // ---------- STATIC METHODs ---------- @@ -157,11 +127,9 @@ public class Arrow extends Actor { ArrayList path = new ArrayList(); Arrow dummyArrow = new Arrow(angle, power, shooter); for (int i = 0; i < iterations; i++) { - dummyArrow.verifyActivity(); - if (!dummyArrow.active) { break; } dummyArrow.integrationVerlet(timeStep); - path.add(dummyArrow.position.x); - path.add(dummyArrow.position.y); + path.add(dummyArrow.getX()); + path.add(dummyArrow.getY()); } // TODO : optimize, lots of useless stuff + change name @@ -176,4 +144,8 @@ public class Arrow extends Actor { return arr; } + public Vector2 getPosition() { + return new Vector2( getX(), getY() ); + } + } diff --git a/core/src/sagittarius/model/Bow.java b/core/src/sagittarius/model/Bow.java index 700bd5f..2782455 100644 --- a/core/src/sagittarius/model/Bow.java +++ b/core/src/sagittarius/model/Bow.java @@ -7,7 +7,7 @@ import com.badlogic.gdx.math.MathUtils; import com.badlogic.gdx.math.Vector2; import com.badlogic.gdx.scenes.scene2d.Actor; -import sagittarius.Sagittarius; +import sagittarius.view.GameScreen; class Bow extends Actor { @@ -18,8 +18,8 @@ class Bow extends Actor { private boolean pressed = false; private float angle; - private Vector2 anchor; - private Vector2 aim; + private Vector2 anchor = new Vector2(); + private Vector2 aim = new Vector2(); private float power; @@ -36,47 +36,55 @@ class Bow extends Actor { @Override public void act(float dt) { + // TODO: probably can do better with an eventListener if (Gdx.input.isButtonJustPressed(Buttons.LEFT) && !pressed) { - this.anchor = Sagittarius.worldCursor.cpy(); + this.anchor = GameScreen.worldCursor.cpy(); pressed = true; } else if (Gdx.input.isButtonPressed(Buttons.LEFT) && pressed) { computeArrow(); } else if (pressed) { - Sagittarius.arrowList.add(getArrow()); + // Sagittarius.arrowList.add(getArrow()); pressed = false; } } - /** - * Generates an Arrow according to the Bow's attributes. - * - * @return an Arrow. - */ - private Arrow getArrow() { - return new Arrow(angle, power, shooter); - } + // /** + // * Generates an Arrow according to the Bow's attributes. + // * + // * @return an Arrow. + // */ + // private Arrow getArrow() { + // return new Arrow(angle, power, shooter); + // } /** * Converts the Bow's attributes to apply it * to the Arrow's constructor. */ private void computeArrow() { - aim = this.anchor.cpy().sub(Sagittarius.worldCursor); + aim = this.anchor.cpy().sub(GameScreen.worldCursor); angle = aim.angleDeg(); power = MathUtils.clamp(aim.len(), 0, 1000); } - void render(ShapeRenderer shapeRenderer) { + @Override + public void drawDebug(ShapeRenderer shapes) { + super.drawDebug(shapes); if (pressed) { - shapeRenderer.line(this.anchor, Sagittarius.worldCursor); - if (aimAssist) { - float[] traj = Arrow.traj(angle, power, shooter, 400, 0.05f); - if (traj.length > 2) { - shapeRenderer.polyline(traj); - } - } + shapes.line(this.anchor, GameScreen.worldCursor); } - } + } + + // void render(ShapeRenderer shapeRenderer) { + // if (pressed) { + // if (aimAssist) { + // float[] traj = Arrow.traj(angle, power, shooter, 400, 0.05f); + // if (traj.length > 2) { + // shapeRenderer.polyline(traj); + // } + // } + // } + // }) } diff --git a/core/src/sagittarius/model/Planet.java b/core/src/sagittarius/model/Planet.java index e768df0..27434ef 100644 --- a/core/src/sagittarius/model/Planet.java +++ b/core/src/sagittarius/model/Planet.java @@ -55,4 +55,12 @@ public class Planet extends Group { this.addActor(moon); } + public float getMass() { + return mass; + } + + public Vector2 getPosition() { + return new Vector2( getX(), getY() ); + } + } diff --git a/core/src/sagittarius/model/Player.java b/core/src/sagittarius/model/Player.java index 0c34227..00c4b54 100644 --- a/core/src/sagittarius/model/Player.java +++ b/core/src/sagittarius/model/Player.java @@ -15,7 +15,7 @@ public class Player extends Actor { // ---------- ATTRIBUTEs ---------- private Planet home; - // private Bow bow; + private Bow bow; private BitmapFont fontDebug = new BitmapFont(); // ---------- CONSTRUCTORs ---------- @@ -27,7 +27,7 @@ public class Player extends Actor { this.setColor(color); this.setOrigin(0, getHeight()/2); this.home = home; - //this.bow = new Bow(this, true); + this.bow = new Bow(this, true); } // ---------- METHODs ---------- @@ -55,6 +55,7 @@ public class Player extends Actor { getScaleX(), getScaleY(), getRotation()); shapes.line(home.getX(), home.getY(), getX(), getY()); + bow.drawDebug(shapes); } @Override @@ -70,6 +71,8 @@ public class Player extends Actor { setX(home.getX() + home.getRadius()*MathUtils.cosDeg(getRotation())); setY(home.getY() + home.getRadius()*MathUtils.sinDeg(getRotation())); + + bow.act(dt); } /** diff --git a/core/src/sagittarius/view/BaseScreen.java b/core/src/sagittarius/view/BaseScreen.java index e199a84..0c7277c 100644 --- a/core/src/sagittarius/view/BaseScreen.java +++ b/core/src/sagittarius/view/BaseScreen.java @@ -55,4 +55,5 @@ public abstract class BaseScreen implements Screen { public Stage getUIStage() { return uiStage; } + } \ No newline at end of file