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Added cursor movement with a timestep

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Collin Smith 2019-05-10 15:46:50 -07:00
parent f7bdf363dc
commit f8d1397d95
1 changed files with 30 additions and 12 deletions
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42
tools/src/com/riiablo/camera/CameraTool.java
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@ -16,6 +16,7 @@ import com.badlogic.gdx.graphics.glutils.ShapeRenderer;
import com.badlogic.gdx.math.MathUtils;
import com.badlogic.gdx.math.Matrix4;
import com.badlogic.gdx.math.Vector2;
import com.riiablo.codec.Animation;
import com.riiablo.map.DT1.Tile;
import com.riiablo.util.DebugUtils;
@ -39,6 +40,7 @@ public class CameraTool extends ApplicationAdapter {
IsometricCamera iso;
Matrix4 center = new Matrix4();
Matrix4 idt = new Matrix4();
float accumulator;
@Override
public void create() {
@ -71,6 +73,15 @@ public class CameraTool extends ApplicationAdapter {
public boolean keyDown(int keycode) {
final float AMOUNT = 0.25f;
switch (keycode) {
case Keys.SPACE:
iso.set(0, 0);
break;
case Keys.SHIFT_LEFT:
if (Gdx.input.isTouched()) break;
moveToCursor(AMOUNT);
break;
case Keys.W:
case Keys.UP:
iso.translate(0, -AMOUNT);
@ -96,6 +107,17 @@ public class CameraTool extends ApplicationAdapter {
});
}
private void moveToCursor(float amount) {
vec2.set(Gdx.input.getX(), Gdx.input.getY());
iso.unproject(vec2);
iso.toWorld(vec2);
vec2.sub(iso.position);
float angle = vec2.angleRad();
vec2.x = amount * MathUtils.cos(angle);
vec2.y = amount * MathUtils.sin(angle);
iso.translate(vec2);
}
final Vector2 vec2 = new Vector2();
final Vector2 loc = new Vector2();
final Vector2 pos = new Vector2();
@ -107,6 +129,14 @@ public class CameraTool extends ApplicationAdapter {
iso.update();
final float delta = Gdx.graphics.getDeltaTime();
final boolean touched = Gdx.input.isTouched();
accumulator += delta;
while (accumulator >= Animation.FRAME_DURATION) {
accumulator -= Animation.FRAME_DURATION;
if (touched) moveToCursor(0.25f);
}
shapes.setTransformMatrix(center);
shapes.setProjectionMatrix(idt);
shapes.begin(ShapeRenderer.ShapeType.Line); {
@ -138,18 +168,6 @@ public class CameraTool extends ApplicationAdapter {
shapes.line(-320, -160, 320, 160);
} shapes.end();
// vec2.set(
// Gdx.input.getX() - Gdx.graphics.getWidth() / 2,
// Gdx.graphics.getHeight() / 2 - Gdx.input.getY());
// iso.toWorld(vec2);
// System.out.println(vec2);
// vec2.x = (int) vec2.x;
// vec2.y = (int) vec2.y;
// System.out.println(vec2);
// vec2.set(Gdx.input.getX(), Gdx.input.getY());
// iso.unproject(vec2);
// System.out.println(vec2);
shapes.begin(ShapeRenderer.ShapeType.Line); {
vec2.set(Gdx.input.getX(), Gdx.input.getY());
iso.unproject(vec2);