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Rewrite strafing (again) (#55)

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Sollace 2018-05-26 03:55:13 +02:00 committed by Matthew Messinger
parent 9a98ac4b22
commit a0648d3526
1 changed files with 11 additions and 9 deletions
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src/main/java/com/minelittlepony/render/player/RenderPonyPlayer.java
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@ -6,7 +6,7 @@ import com.minelittlepony.util.math.MathUtil;
import net.minecraft.client.entity.AbstractClientPlayer;
import net.minecraft.client.renderer.GlStateManager;
import net.minecraft.client.renderer.entity.RenderManager;
import net.minecraft.util.math.Vec3d;
import net.minecraft.util.math.MathHelper;
public class RenderPonyPlayer extends RenderPonyBase {
@ -49,17 +49,19 @@ public class RenderPonyPlayer extends RenderPonyBase {
GlStateManager.rotate(ponyModel.motionPitch, 1, 0, 0);
// Strafe like an elytra
Vec3d lookDirection = player.getForward();
double horMotion = Math.sqrt(motionX * motionX + motionZ * motionZ);
double horLook = Math.sqrt(lookDirection.x * lookDirection.x + lookDirection.z * lookDirection.z);
if (horMotion > 0) {
yaw = (player.cameraYaw - player.rotationYaw) % 360;
double roll = (Math.toDegrees(Math.atan2(motionX, motionZ)) - yaw) % 360;
if (horMotion > 0 && horLook > 0) {
double magnitude = (motionX * lookDirection.x + motionZ * lookDirection.z) / horMotion * horLook;
double direction = motionX * lookDirection.z - motionZ * lookDirection.x;
GlStateManager.rotate((float)Math.toDegrees(Math.signum(direction) * Math.acos(magnitude)), 0, 0, 1);
if (roll > 180) {
roll -= 360;
}
roll = MathHelper.clamp(roll, -44, 44) * horMotion * 2;
GlStateManager.rotate((float)roll, 0, 0, 1);
}
}
//TODO: MC1.13 transformSwimming()