用户:TheRedKiller/Sandbox3

测试 TextCollapse

这个会同时切换五个的显示和隐藏。

你按下这玩意看看（1）

这就是被折叠的文本了，其 ID 为 Fold1。

你按下这玩意看看（2）

这就是被折叠的文本了，其 ID 为 Fold2。

你按下这玩意看看（3）

这就是被折叠的文本了，其 ID 为 Fold3。

你按下这玩意看看（4）

这就是被折叠的文本了，其 ID 为 Fold4。

你按下这玩意看看（5）

这就是被折叠的文本了，其 ID 为 Fold5。

这就是被折叠的文本了，其 ID 为 Fold1。这段文本会被最上面的开关控制折叠。

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For Minecraft 1.21 Fabric

	private Vec3d calculateDv(ClientPlayerEntity player) {
		/*
		 * Elytra speed vector formula
		 *
		 * Used values:
		 * v, yaw, pitch, horizontalVelocity, g
		 * (horizontalVelocity) horizVelo = Math.sqrt(v.x * v.x + v.z * v.z);
		 * g = 0.08 or 0.01 (latter has slow falling)
		 */
		Vec3d vInitial = player.getVelocity();
		Vec3d v = vInitial;
		double yaw = Math.toRadians(player.getYaw());
		double pitch = Math.toRadians(player.getPitch());
		double horizVelo = Math.sqrt(v.x * v.x + v.z * v.z);
		float g = 0.08F;
		if (player.hasStatusEffect(StatusEffects.SLOW_FALLING)) {
			g = 0.01F;
		}

		/*
		 * Apply free fall acceleration
		 * Notify that g = 0.08, or 0.01 when have slow falling
		 * dx = 0
		 * dy = g * (0.75 * Math.cos(pitch) * Math.cos(pitch) - 1)
		 * dz = 0
		 */
		v = new Vec3d(
				vInitial.x,
				vInitial.y + g * (0.75F * Math.cos(pitch) * Math.cos(pitch) - 1),
				vInitial.z
		);
		/*
		 * If pitch = 90 deg or -90 deg, then APPLY
		 */
		if (Math.cos(pitch) < 1E-13) {
			v = new Vec3d(v.x * 0.99, v.y * 0.98, v.z * 0.99);
			return v.subtract(vInitial);
		}

		/*
		 * If (v.y < 0) : Apply dive forward acceleration
		 * dx = 0.1 * v.y * Math.cos(pitch) * Math.cos(pitch) * Math.sin(yaw)
		 * dy = -0.1 * v.y * Math.cos(pitch) * Math.cos(pitch)
		 * dz = -0.1 * v.y * Math.cos(pitch) * Math.cos(pitch) * Math.cos(yaw)
		 */
		if (vInitial.y <= 0) {
			v = new Vec3d(
					v.x + 0.1 * v.y * Math.cos(pitch) * Math.cos(pitch) * Math.sin(yaw),
					v.y - 0.1 * v.y * Math.cos(pitch) * Math.cos(pitch),
					v.z - 0.1 * v.y * Math.cos(pitch) * Math.cos(pitch) * Math.cos(yaw)
			);
		}

		/*
		 * If looking upwards (pitch < 0) : Apply speed increasement acceleration
		 * dx = -0.04 * horizVelo * Math.sin(pitch) * Math.sin(yaw)
		 * dy = -0.128 * horizVelo * Math.sin(pitch)
		 * dz = 0.04 * horizVelo * Math.sin(pitch) * Math.cos(yaw)
		 */
		if (pitch < 0) {
			v = new Vec3d(
					v.x - 0.04 * horizVelo * Math.sin(pitch) * Math.sin(yaw),
					v.y - 0.128 * horizVelo * Math.sin(pitch),
					v.z + 0.04 * horizVelo * Math.sin(pitch) * Math.cos(yaw)
			);
		}

		/*
		 * Apply glide forward acceleration
		 * x = x * 0.9 - 0.1 * horizVelo * Math.sin(yaw)
		 * dy = 0
		 * z = z * 0.9 + 0.1 * horizVelo * Math.cos(yaw)
		 */
		v = new Vec3d(
				v.x * 0.9 - 0.1 * horizVelo * Math.sin(yaw),
				v.y,
				v.z * 0.9 + 0.1 * horizVelo * Math.cos(yaw)
		);

		/*
		 * Apply air resistance force acceleration
		 * x *= 0.99
		 * y *= 0.98
		 * z *= 0.99
		 */
		v = new Vec3d(v.x * 0.99, v.y * 0.98, v.z * 0.99);

		return v.subtract(vInitial);
	}

破妄双瞳（不是破邪）For Minecraft 1.19.2 Fabric

@Mixin(Entity.class)
public abstract class EntityMixin {
	@Inject(method = "isInvisible", at = @At("HEAD"), cancellable = true)
	private void onIsInvisible(CallbackInfoReturnable<Boolean> info) {
		info.setReturnValue(false);
	}
}