diff options
Diffstat (limited to 'core/src')
| -rw-r--r-- | core/src/ch/asynk/tankontank/engine/gfx/animations/InfantryFireAnimation.java | 203 |
1 files changed, 203 insertions, 0 deletions
diff --git a/core/src/ch/asynk/tankontank/engine/gfx/animations/InfantryFireAnimation.java b/core/src/ch/asynk/tankontank/engine/gfx/animations/InfantryFireAnimation.java new file mode 100644 index 0000000..3ab8642 --- /dev/null +++ b/core/src/ch/asynk/tankontank/engine/gfx/animations/InfantryFireAnimation.java @@ -0,0 +1,203 @@ +package ch.asynk.tankontank.engine.gfx.animations; + +import java.util.Random; + +import com.badlogic.gdx.utils.Disposable; +import com.badlogic.gdx.utils.Pool; + +import com.badlogic.gdx.audio.Sound; +import com.badlogic.gdx.graphics.Texture; +import com.badlogic.gdx.graphics.g2d.TextureRegion; +import com.badlogic.gdx.graphics.g2d.Batch; +import com.badlogic.gdx.graphics.glutils.ShapeRenderer; + +import ch.asynk.tankontank.engine.gfx.Drawable; +import ch.asynk.tankontank.engine.gfx.Animation; + +public class InfantryFireAnimation implements Disposable, Animation, Pool.Poolable +{ + class Shot + { + public TextureRegion fireRegion; + public float fire_a; + public float fire_x; + public float fire_y; + public float fire_w; + public float fire_dx; + public float fire_dy; + public float fire_dw; + + public boolean fired; + public boolean hit; + public boolean completed; + + public float fire_time; + public float hit_time; + public float end_time; + + public int hit_frame; + + public Shot(TextureRegion region) + { + this.fireRegion = region; + } + } + + private static final int SHOT_COUNT = 10; + private static final float SHOT_SCATTERING = 40f; + private static final float TIME_SCATTERING = 0.6f; + private static final float START_DELAY = 0.8f; + private static final float SHOT_SPEED = 1000f; + private static final float HIT_FRAME_DURATION = 0.07f; + + private Shot[] shots; + + private float elapsed; + + private float volume; + + private static final Pool<InfantryFireAnimation> fireAnimationPool = new Pool<InfantryFireAnimation>() { + @Override + protected InfantryFireAnimation newObject() { + return new InfantryFireAnimation(); + } + }; + + public static InfantryFireAnimation get(float volume, float offset, float x0, float y0, float x1, float y1) + { + InfantryFireAnimation a = fireAnimationPool.obtain(); + a.set(volume, offset, x0, y0, x1, y1); + return a; + } + + public InfantryFireAnimation() + { + this.shots = new Shot[SHOT_COUNT]; + for (int i = 0; i < shots.length; i++) + shots[i] = new Shot(new TextureRegion(FireAnimation.infantryFire.frames[0])); + } + + private void set(float volume, float offset, float _x0, float _y0, float _x1, float _y1) + { + this.volume = volume; + this.elapsed = 0f; + + for (Shot shot : shots) { + // fire geometry + float x0 = _x0; + float y0 = (_y0 - (FireAnimation.infantryFire.height / 2.0f)); + float x1 = (_x1 + ((SHOT_SCATTERING * FireAnimation.random.nextFloat()) - (SHOT_SCATTERING / 2f))); + float y1 = (_y1 + ((SHOT_SCATTERING * FireAnimation.random.nextFloat()) - (SHOT_SCATTERING / 2f))); + + double r = Math.atan2((y0 - y1), (x0 - x1)); + float xadj = (float) (Math.cos(r) * offset); + float yadj = (float) (Math.sin(r) * offset); + x0 -= xadj; + y0 -= yadj; + + float a = (float) Math.toDegrees(r); + float dx = (x1 - x0); + float dy = (y1 - y0); + float w = (float) Math.sqrt((dx * dx) + (dy * dy)); + + // timing + float delay = START_DELAY + (FireAnimation.random.nextFloat() * TIME_SCATTERING); + float fire_duration = ((FireAnimation.random.nextFloat() * TIME_SCATTERING) + (w / SHOT_SPEED)); + float hit_duration = (FireAnimation.infantryFire.rows * HIT_FRAME_DURATION); + + shot.fired = false; + shot.fire_time = delay; + shot.hit_time = (shot.fire_time + fire_duration); + shot.end_time = (shot.hit_time + hit_duration); + + // fire vars + shot.fire_a = a; + shot.fire_x = x0; + shot.fire_y = y0; + shot.fire_w = 0; + shot.fire_dx = (dx / fire_duration); + shot.fire_dy = (dy / fire_duration); + shot.fire_dw = (w / fire_duration); + shot.hit_frame = 0; + } + } + + @Override + public void reset() + { + } + + @Override + public void dispose() + { + fireAnimationPool.free(this); + } + + @Override + public boolean animate(float delta) + { + elapsed += delta; + + boolean completed = true; + for (Shot shot : shots) { + completed &= shot.completed; + + if (!shot.fired && (elapsed < shot.fire_time)) + continue; + + if (!shot.fired) { + shot.fired = true; + FireAnimation.infantryFireSndPlay(volume); + } + + if (!shot.hit && (elapsed < shot.hit_time)) { + shot.fire_w += (shot.fire_dw * delta); + shot.fire_x += (shot.fire_dx * delta); + shot.fire_y += (shot.fire_dy * delta); + shot.fireRegion.setRegionWidth((int) shot.fire_w); + continue; + } + + if (!shot.hit) + shot.hit = true; + + if (elapsed < shot.end_time) { + int frame = (int) ((elapsed - shot.hit_time) / HIT_FRAME_DURATION); + if (frame != shot.hit_frame) { + shot.hit_frame = frame; + shot.fireRegion.setRegion(FireAnimation.infantryFire.frames[shot.hit_frame]); + shot.fireRegion.setRegionWidth((int) shot.fire_w); + } + continue; + } else + shot.completed = true; + } + + return completed; + } + + @Override + public void draw(Batch batch) + { + for (Shot shot : shots) { + if (shot.fired) + batch.draw(shot.fireRegion, shot.fire_x, shot.fire_y, 0, 0, + shot.fireRegion.getRegionWidth(), shot.fireRegion.getRegionHeight(), 1f, 1f, shot.fire_a); + } + } + + @Override + public void drawDebug(ShapeRenderer debugShapes) + { + // debugShapes.end(); + // debugShapes.begin(ShapeRenderer.ShapeType.Line); + // debugShapes.identity(); + // debugShapes.translate(fire_x, fire_y, 0); + // debugShapes.rotate(0, 0, 1, fire_a); + // debugShapes.translate(-fire_x, -fire_y, 0); + // debugShapes.rect(fire_x, fire_y, fire_w, FireAnimation.infantryFire.height); + // debugShapes.end(); + // debugShapes.begin(ShapeRenderer.ShapeType.Line); + // debugShapes.identity(); + } +} |